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Adjunct Faculty Northwestern University Prosthetics and Orthotics Center
Sept. 1987-Present Northwestern University Medica...
Extramural Reviewer:
National Institutes of Health ñ NIAMS Special Emphasis Panel (Center Grant
Review), 1/99
Bioengineeri...
scientific paper
Award of Excellence, Presented by the Illinois Mathematics and Science Academy
in recognition of the comm...
First Place Poster Award, American College of Foot and Ankle Surgeons, February
1999, Co-author
Elected Fellow of the Amer...
Total Amount: $330,888
Project Period of Award: October 1994-September 1997
Project Title: Biomechanics of Low Back Flexio...
Orthotic Intervention for Hallux Rigidus
Role: Co-Investigator (20%)
Granting Agency: Langer Biomechanics Group, Inc,
Tota...
Advisor, M.S. Thesis in Progress
ìResponse of the Human Lumbar Spine to a Compressive Follower Pre-Loadî
Gerard Carrandang...
Kazuaki Katagiri, M.S., Hokkaido University, Sapporo, Japan, October 1996-
June 1997
"Response of Intervertebral Discs to ...
June Eguro, M.D., April-June 1998
ìEffect of Distal Radial Malunion on Forearm Rotationî
Peter Parten, M.D., October 1997-...
Mike Cohen, M.D., January-June 1993
"Stability of PIP Fracture Dislocations"
Craig Humphreys, M.D., January-June 1993
"The...
Instability"
Thomas Woo, M.D., January 1987 - June 1987
"Load Bearing Characteristics of the Wrist Following Simulated Sca...
Clifford Retief, D.P.M. Podiatric Surgical Resident, 1998-1999
ìComparison of Tension Band Wiring and Screw Fixation for t...
"Effect of Fibular Shortening on Biomechanics of the Ankle Joint"
"Facet Joint Loads in Spinal Segments with Spina Bifida ...
XIV. Bibliography
Peer-Reviewed Journal Articles:
Patwardhan AG, Lee B, Meade KP: Frontal Plane Response of the Lumbar Spi...
Patwardhan AG, Rimkus A, Gavin TM, Bueche M, Meade KP, Bielski R, and Ibrahim K:
Geometric Analysis of Coronal Decompensat...
Hitchcock T, Light T, Bunch WH, Knight GW, Sartori M, Patwardhan AG, Hollyfield
R: Effect of Immediate Controlled Digital ...
Patwardhan AG, Gavin TM, Slosar PJ, and Lorenz MA: Biomechanics of Implants and
Orthoses for Thoracolumbar Injuries. in Sp...
Parten P, Ghanayem AJ, Havey R, Bourn S, Patwardhan AG: Hydrostatic Loads Within
a Cervical Interbody Fusion Cage: An In V...
Transgene Expression on Vertebrae in a Mouse Model of Osteogenesis Imperfecta.
Presented at the 44th Annual Meeting, Ortho...
Clinical and Biomechanical Consequences of the Sagittally Malaligned Lumbar
Spine Upon Adjacent Segments. Presented at the...
Posterior Constructs for L1 Burst Fracture- A Comparison of 2-Column and 3-
Column Injuries. Proceedings of the ASME Bioen...
Model of the Lumbar Spine to Study the Stabilizing Role of Different Muscle
Architectures. Presented at the Annual Meeting...
Over Time. Presented at the 35th Annual Meeting of the Orthopaedic Research
Society, February 6-9, 1989, Las Vegas, Nevada...
Zindrick MR, Patwardhan AG, Lorenz M: The Effect of Methylmethacrylate
Augmentation Upon Pedicle Screw Fixation in the Spi...
September 28-October 1, 1983, New Orleans, Louisiana.
Patwardhan AG, Bunch WH, Vanderby R, Knight GW: Adding-On in Paralyt...
Three-Dimensional Space Using X-Ray Exposures in Two Oblique Planes. Presented
at the Sixth Applied Mechanisms Conference,...
University of Illinois at Chicago, Department of Neurosurgery, Grand Rounds,
June 1993
"Biomechanics of Implants for Thora...
"Biomechanical Principles of Orthotic Treatment for Scoliosis"
American Academy of Orthotists and Prosthetists, Midwest Ch...
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  1. 1. ¦#ý°±#·################>###œœ #################O###########Q#######œœœœ####L###M###N###œœœœœœœœœœœœœœœœœœœœœœœ œœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœ œœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœ œœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœ œœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœ œœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœœ œÏœ¡#7 ###¯#ø###############Äf####bjbjU#U######################(÷##7|##7| ##Hb######7#######################œœ##########œœ##########œœ##################l# ####r#######r###r#######r#######r#######r#######r###############Ü#######,]###### ,]######,]##8###d]##l###]##L###Ü#######.ã##d###(_######>_######>_######>_######> _######>_######>_######>_######÷à######ÿà######ÿà######ÿà##/####â##œ###¤â##œ###Ø ä##$###íå## ###¾é##t###²ä######################r#######>_######################>_######>_### ###>_######>_######²ä######œÅ######r#######r#######>_##############>_######Ëä### ###œÅ######œÅ######œÅ######>_##*###r#######>_######r#######>_######÷à########### ###œÅ######################################################>_######÷à######œÅ##½ ###œÅ######¾á##:###rà##,###r#######r############################################ ###################¾à######>_#######_##
  2. 2. ###¿œä# ®¿#Ü###¶Y##,]######hu##ñ###ûà## ###########¾à##$###œä##0###.ã######®à## ###&è######œ| ##¸###&è######¾à######œÅ######Ü#######Ü#######r#######r#######r#######r######### œ###I. Personal Data Name: Avinash G. Patwardhan, Ph.D. Address: 2273 Durham Drive Wheaton, IL 60187 Phone: (708) 202-5804 (Office) (630) 462-1228 (Home) E-mail: # HYPERLINK mailto:apatwar@orion.it.luc.edu ##apatwar@luc.edu# Fax: (708) 202-7938 II. Education B.S. 1972 Mechanical Engineering Nagpur University Nagpur, India M.S. 1974 Mechanical Engineering Indian Institute of Science Bangalore, India Ph.D. 1980 Mechanical Engineering Oklahoma State University Stillwater, Oklahoma III. Postdoctoral Training Post-Doctoral 1980 Biomechanics Oklahoma State University Fellow Stillwater, Oklahoma IV. Academic Appointments & Professional Experience Director, Rehabilitation Research and Development Section Musculoskeletal V. A. Hospital, Hines, Illinois 60141 Biomechanics Lab. Research in biomechanics of the human musculoskeletal system, June 1980-Present Responsible for the development and planning of the research program in the Musculoskeletal Biomechanics Research Laboratory, Management of research resources and collaborative research activities involving faculty and students from multiple academic institutions. Professor Department of Orthopaedic Surgery and Rehabilitation July 1992-Present Loyola University Medical Center 2160 South First Avenue, Maywood, Illinois 60153 Research in biomechanics of the spine and spinal deformities, Resident instruction in biomechanics, Identifying and establishing research priority areas, Identifying and soliciting possible funding sources, Managing and conducting research projects Associate Professor Department of Orthopaedic Surgery and Rehabilitation July 1986-June 1992 Loyola University Medical Center 2160 South First Avenue, Maywood, Illinois 60153 Assistant Professor Department of Orthopaedic Surgery and Rehabilitation June 1980-June 1986 Loyola University Medical Center 2160 South First Avenue, Maywood, Illinois 60153 Adjunct Professor Department of Mechanical and Aerospace Engineering Jan. 1989-Present Illinois Institute of Technology, Chicago, Illinois 60616 Participation in graduate research program, Thesis advisor to Masters and Ph.D. students in the Department of Mechanical Engineering Adjunct Professor Bioengineering Department Jan. 1985-Present University of Illinois at Chicago, Chicago, Illinois Graduate and undergraduate instruction in biomechanics of human musculoskeletal system, Thesis advisor to Masters and Ph.D. students
  3. 3. Adjunct Faculty Northwestern University Prosthetics and Orthotics Center Sept. 1987-Present Northwestern University Medical School, Chicago, IL 60611 Instruction in biomechanics of spine and spinal orthoses to students in the Graduate Certificate Program in Orthotics Research Fellow Orthopaedic and Spine Center (OSC), Hinsdale Hospital, Hinsdale IL April 1991-Present Part-Time Department of Mechanical and Aerospace Engineering Instructor Illinois Institute of Technology, Chicago, Illinois 60616 Aug. 1981-May 1984 Undergraduate and graduate instruction in kinematics and dynamics of machines, methods of computer aided design and optimization Research Assistant Department of Mechanical and Aerospace Engineering Aug. 1978-Sept. 1979 Oklahoma State University, Stillwater, Oklahoma 74074 Research in kinematic analysis and simulation studies of the human spine, Development of electrogoniometer instrumentation for three- dimensional motion measurements at spinal segments Teaching Assistant Department of Mechanical and Aerospace Engineering Aug. 1974-July 1978 Oklahoma State University, Stillwater, Oklahoma 74074 Undergraduate and graduate instruction in kinematic analysis and design of linkages and mechanisms, statics, dynamics, numerical methods for engineering analysis V. Certificates, Professional Orthopaedic Implants - Effective and Emerging Manufacturing and Material Technology. Sponsored by the Society of Manufacturing Engineers, December 8-10, 1987, Schaumburg, IL VI. Professional Affiliations Orthopaedic Research Society - Member International Society for the Study of the Lumbar Spine ñ Member American Society of Mechanical Engineers - Fellow - Executive Committee Member (1997-2000), Bioengineering Division, American Society of Mechanical Engineers (ASME), Member-In-Charge of all technical committees. - Chair (1996-1997), Solid Mechanics Committee, Bioengineering Division, American Society of Mechanical Engineers (ASME): Planning and organizing biomechanics sessions and special symposia at the ASME Winter Annual Meetings and Summer Bioengineering Conferences. - Secretary (1993-1995), Solid Mechanics Committee, Bioengineering Division, American Society of Mechanical Engineers (ASME): Planning and organizing biomechanics sessions and special symposia at the ASME Winter Annual Meetings and Summer Bioengineering Conferences. VII. Other Professional Activities Reviewer: Spine (Associate Editorial Board member) Annals of Biomedical Engineering Clinical Orthopaedics and Related Research CRC Press, Boca Raton, Florida Clinical Orthopaedics and Related Research IEEE Transactions on Rehabilitation Engineering (Associate Editorial Board member) Journal of Biomechanical Engineering Journal of Biomechanics Journal of Bone and Mineral Research Journal of Orthopaedic Research Journal of Prosthetics and Orthotics (Associate Editorial Board member) Journal of Rehabilitation Research and Development
  4. 4. Extramural Reviewer: National Institutes of Health ñ NIAMS Special Emphasis Panel (Center Grant Review), 1/99 Bioengineering Alliance of South Carolina Louisiana Education Quality Support Fund R&D Program Department of Veterans Affairs, Rehab Research and Development Service American Institute for Biological Sciences British Columbia Health Research Foundation, B.C., Canada Health Care & Promotion Fund Committee of Hong Kong External evaluator for Tenure, Promotion and Reappointment: Department of Industrial and Systems Engineering, Ohio State University, Columbus, Ohio Department of Bioengineering, Clemson University, Clemson, South Carolina Department of Mechanical Engineering, University of Utah, Salt Lake City, Utah Department of Microbiology and Immunology, FUHS/The Chicago Medical School, North Chicago, Illinois Department of Mechanical, Materials, and Aerospace Engineering, Illinois Institute of Technology, Chicago, Illinois Department of Mechanical Engineering, Wayne State University, Detroit, Michigan School of Biomedical Engineering, University of Tennessee, Memphis, Tennessee North American Spine Society ñ Annual Conference Program Reviewer (1997,1998) Committees: Member (1992-Present), Scientific Review Subcommittee, Rehabilitation Research and Development Section, Hines VA Hospital, Hines, IL. Member, Research Committee, Department of Orthopaedic Surgery and Rehabilitation, Loyola University Chicago, Maywood, IL. Appointments: Session Chairman: Fifth International Conference on Rehabilitation Engineering, 1981 ASME Winter Annual Meeting, 81, 86, 87, 89, 91, 92, 93, 95, 96, 97, 98 International Society for Prosthetics and Orthotics, July 1992 Orthopaedic Research Society Annual Meeting, 1993 Summer Bioengineering Conference, 1993, 95, 97, 99 Orthopaedic Research Society, 1996 International Society for the Study of the Lumbar Spine, 1997 North American Spine Society Meeting, 1997 Other: Represented Loyola University and Hines Rehab R&D Center at DuPage Engineerís Week Program, February 1988, 1989 Participated as a mentor, Student Mentorship Volunteer Program offered by Loyola University to the students of the Illinois Mathematics and Science Academy, Aurora, Illinois, 1988-1990 Participated as a mentor, LUMC Summer Science Enrichment Program, 1991, 1996 Participated as a mentor, Hines Science Student Program, 1996-2000 VIII. Professional Awards and Honors Academic Excellence Award, awarded by the Residence Halls Association, Oklahoma State University, Stillwater, Oklahoma, 1976, 1977, 1978 Award of Merit for authorship of a prize winning technical paper at the Fifth Applied Mechanisms Conference, Nov. 1977, Oklahoma City, awarded by the Procter and Gamble Co. Member of the Honor Society of Phi Kappa Phi, elected May 1980, Oklahoma State University 1982 Volvo Award on Low Back Pain Research - Biomechanics category, Awarded by the International Society for the Study of the Lumbar Spine for a submitted
  5. 5. scientific paper Award of Excellence, Presented by the Illinois Mathematics and Science Academy in recognition of the commitment to the standards of academic excellence that foster student achievement and success, June 1989 Certificate of Appreciation, Presented by American Academy of Orthotists and Prosthetists for scientific contributions and commitment to the advancement of the profession, February 1990 Certificate of Appreciation, Presented by the Illinois Mathematics and Science Academy in recognition of service to the Student Mentorship Program, 1989-1990 First Place Award, Resident Research Paper Competition, awarded by the American Society for the Surgery of the Hand, November 1992, Co-author Second place award, Residency Trauma Paper Competition of the Chicago Committee on Trauma of the American College of Surgeons, December 1992, Co-author Appointed to the Advisory Board of SPINE, 1993 Appointed as an Assistant Editor, IEEE Transactions on Rehabilitation Engineering, 1993 Honorary member-American Academy of Orthotists and Prosthetists, Midwest Chapter, elected 1993, in recognition of teaching and research in the field of orthotics and prosthetics First-place winner of the Journal of Prosthetics and Orthotics' Article of the Year competition-1993, Co-author First Place Journal Award for excellence in medical writing, American College of Foot and Ankle Surgeons, Presented at the 1995 Annual Scientific Seminar, Co- author Appointed to the Scientific Review Panel (Multidisciplinary Special Emphasis Panel, SSS-8(1)) to review Small Business Innovation Research (SBIR) Grant applications, National Institutes of Health, March 1995, November 1995 Performance Award for significantly contributing to the mission of the Department by substantially exceeding performance requirements. Awarded by the Department of Veterans Affairs, 95, 96, 97 Second-place winner of the Journal of Prosthetics and Orthotics's Article of the Year competition- 1996, Lead author Member of the Editorial Board of Journal of Prosthetics and Orthotics, 1996- Present. First-place winner of the Danek Poster Award, International Society for the Study of the Lumbar Spine, 24th Annual Meeting, June 2-6, 1997, Singapore, Co- author First-place winner of the OREF Illinois Orthopaedic Resident Research Symposium Paper Award, April 17, 1998, Co-author Elected to the grade of Fellow in the American Society of Mechanical Engineers for outstanding contribution and service to the profession, December 1998. Poster Award, American College of Foot and Ankle Surgeons, February, 1998, Co- author Appointed to the NIH ñ NIAMS Special Emphasis Panel, January 1999
  6. 6. First Place Poster Award, American College of Foot and Ankle Surgeons, February 1999, Co-author Elected Fellow of the American Academy of Orthotists and Prosthetists, December 1999 IX. Major Reasearch Interests Biomechanics of the Spine and Spinal Deformities, Musculoskeletal Rehabilitation X. Currently-Funded Research Grants Project Title: Effect of Spinal Implants on the Response of the Lumbar Spine Under In Vivo Compressive Loads Role: Principal Investigator (20%) Granting Agency: Veterans Administration Total Amount: $409,600 Project Period of Award: October 1998-September 2001 Project Title: Promotion of Functional Recovery Following Spinal Cord Injury ñ REAP Application Role: One of Four Qualifying Investigators (10%) Granting Agency: Veterans Administration Total Amount: $1,250,000 Project Period of Award: October 1998-September 2003 Project Title: Chiropractic vs. Medical Care for Chronic Neck Pain Role: Co-Investigator (10%) Granting Agency: PHS-Health Resources and Services Administration Total Amount: $1,250,000 Project Period of Award: October 2000-September 2003 XI. Previously-Funded Research Grants Project Title: Flexion-Distraction vs. Medical Treatment for Low Back Pain Role: Co-Investigator (10%) Granting Agency: PHS-Health Resources and Services Administration (2 R18AH1301- 4) Total Amount: $443,661 Project Period of Award: October 1997-September 2000 Project Title: Effect of the Type of Annular Incision on the Postoperative Stability a Herniated Lumbar Disc Role: Principal Investigator (10%) Granting Agency: Veterans Administration Total Amount: $76,400 Project Period of Award: April 1998-March 1999 Project Title: Compliance Monitor to Measure Patient Wearing-Time for Spinal Orthosis Role: Principal Investigator (10%) Granting Agency: Veterans Administration Total Amount: $201,800 Project Period of Award: October 1995-September 1998 Project Title: Gene Therapy to Reverse Bone Loss in OI Role: Co-Investigator (10%) Granting Agency: Childrenís Brittle Bone Foundation Total Amount: $50,000 Project Period of Award: July 1997-June 1998 Project Title: Effect of Surgical Procedures on the Stability of the Lumbar Motion Segment Role: Principal Investigator (25%) Granting Agency: Veterans Administration
  7. 7. Total Amount: $330,888 Project Period of Award: October 1994-September 1997 Project Title: Biomechanics of Low Back Flexion-Distraction Therapy Role: Co-Investigator (10%) Granting Agency: PHS-Health Resources and Services Administration (1 R18AH10001- 01A1) Total Amount: $316,167 Project Period of Award: October 1994-September 1997 Project Title: Thin-Film Peripheral Nerve Electrode Role: Co-Investigator (5%) Granting Agency: NIH SBIR Grant Total Amount: $10,000 Project Period of Award: October 1993-September 1995 Project Title: Optimum Rigidity of a Spinal Implant for Lumbar Fusions-A Pilot Study Role: Co-Principal Investigator (20%) Granting Agency: Veterans Administration Total Amount: $48,300 Project Period of Award: October 1992-September 1993 Project Title: Biomechanics of Cervical Diagnostic Maneuvers- A Pilot Study Role: Co-Principal Investigator (20%) Granting Agency: Veterans Administration Total Amount: $48,495 Project Period of Award: October 1992-September 1993 Project Title: Orthotic Stabilization of Fractures of the Thoracic and Lumbar Spine Role: Principal Investigator (30%) Granting Agency: Veterans Administration Total Amount: $383,800 Project Period of Award: January 1989 to December 1991 Project Title: In Vitro Comparison of Instrumentation Systems for Burst Fracture Stabilization Role: Principal Investigator (20%) Granting Agency: AcroMed Corporation Total Amount: $16,000 Project Period of Award: August 1990 to July 1991 Project Title: Articular Contact Characteristics of the Ankle and Chopart's Joints Role: Co-Investigator (10%) Granting Agency: American Podiatric Medical Association Total Amount: $23,206 Project Period of Award: June 1990 to May 1991 Project Title: Load Bearing Characteristics of the Wrist Following Intercarpal Arthrodesis Role: Co-Investigator (10%) Granting Agency: Veterans Administration Total Amount: $39,700 Project Period of Award: October 1988 - September 1989 Project Title: Treatment of Variable Partial Flexor Tendon Lacerations Role: Co-Investigator (10%) Granting Agency: Veterans Administration Total Amount: $81,000 Project Period of Award: October 1988 - September 1989 Project Title: Weight Distribution in the Foot Before and After Surgical and
  8. 8. Orthotic Intervention for Hallux Rigidus Role: Co-Investigator (20%) Granting Agency: Langer Biomechanics Group, Inc, Total Amount: Electrodynagraphy equipment and software ($20,000) Project Period of Award: October 1985 to September 1988 Project Title: Load Bearing Characteristics of the Normal Wrist and the Changes in the Load Bearing Characteristics with Scaphoid Instability Role: Co- Investigator (10%) Granting Agency: Orthopaedic Research and Education Foundation Total Amount: $18,750 Project Period of Award: March 1987 - March 1988 Project Title: Mechanical Stability of a New Anterior Construct for Segmental Fusion Role: Principal Investigator (20%) Granting Agency: Howmedica Total Amount: $58,080 Project Period of Award: May 1986 to December 1987 Project Title: Effects of Low Back Pain Treatment Modalities on Lumbar Facet Loading Role: Principal Investigator (30%) Granting Agency: Veterans Administration Total Amount: $180,714 Project Period of Award: October 1984 to September 1986 Project Title: Effect of Chymopapain Injection, Laminectomy and Discectomy on Load Bearing Characteristics of Lumbar Facet Joints (20%) Role: Principal Investigator Granting Agency: Arthritis Foundation Total Amount: $ 10,000 Project Period of Award: March 1984 to August 1985 Project Title: Biomechanical Study of Spinal Fusion and its Effect on Adjacent Segments Role: Principal Investigator (50%) Granting Agency: Veterans Administration Total Amount: $ 382,214 Project Period of Award: April 1982 to March 1985 XII. Graduate Students and Postdoctoral Fellows Supervised A. Graduate Students in Engineering Ph.D. Dissertations: Siping Li: "Response of Human Intervertebral Discs to Prolonged Loading and Low- Frequency Vibration in Axial Compression" Department of Mechanical Engineering, University of Illinois at Chicago Co-advisor with Dr. Farid Amirouche, Degree Awarded: May 1994 Lars Gilbertson: "Orthotic Stabilization of Thoracolumbar Fractures" Department of Biomedical Engineering, University of Iowa, Iowa City Co-advisor with Dr. Vijay Goel, Degree Awarded: August 1993 Mete Alpan, "Mechanics of Vertebral Fracture in Spinal Osteoporosis" Department of Mechanical and Aerospace Engineering, Illinois Institute of Technology Co-advisor with Dr. Kevin Meade, Degree Awarded: May 1992 Master of Science Theses: ìBiomechanical Investigation of Isthmic Spondylolisthesisî James Simonds, Bioengineering Department, University of Illinois at Chicago
  9. 9. Advisor, M.S. Thesis in Progress ìResponse of the Human Lumbar Spine to a Compressive Follower Pre-Loadî Gerard Carrandang, Bioengineering Department, University of Illinois at Chicago Advisor, Degree Awarded: June 2000 ìEffect of Surgical Procedures on the Stability of the Lumbar Motion Segmentî Jarret Millar, Bioengineering Department, University of Illinois at Chicago Co-Advisor, Degree Awarded: December 1998 ìStability of the Lumbar Spine Subjected to a Follower Loadî Brian Lee, Bioengineering Department, University of Illinois at Chicago Advisor, Degree Awarded: August 1998 ìEffect of Facetectomy on the Stability of the Lumbar Motion Segmentî Sudheer Paruchuri, Bioengineering Department, University of Illinois at Chicago Co-Advisor, Degree Awarded: December 1997 ìGeometric and Finite Element Analysis of Curve Correction in Idiopathic Scoliosisî Aruna Rimkus, Bioengineering Department, University of Illinois at Chicago Advisor, Degree Awarded: June 1996 ìViscoelastic Properties of Lumbar Spine Segments in Shearî Julie Bunag, Department of Mechanical Engineering University of Illinois at Chicago, Degree Awarded: June 1995 Co-advisor with Dr. Farid M. L. Amirouche ìBiomechanical Analysis of Loads on the Fifth Lumbar Vertebra: Implications to Spondylolysisî Virginie Reyx, Department of Mechanical & Aerospace Engineering Illinois Institute of Technology, Degree Awarded: May 1990 Co-advisor with Dr. Kevin Meade ìA Comparative Analysis of the Kinetic Characteristics of Cam Systems" Brent Nowak, Department of Mechanical & Aerospace Engineering Illinois Institute of Technology, Degree awarded: December, 1989 Co-advisor with Dr. Kevin Meade "A Biomechanical Study of Orthotic Stabilization of Spinal Injuries" Siping Li, Department of Mechanical & Aerospace Engineering Illinois Institute of Technology, Degree awarded: December, 1988 Co-Advisor with Dr. Kevin Meade "A Three-Dimensional Finite Element Model of Spinal Correction" Michael Daniele, Department of Mechanical & Aerospace Engineering Illinois Institute of Technology, Degree awarded: June, 1983 Co-Advisor with Dr. Ray Vanderby "Ligament Forces and Joint Motion in the Human Knee: An Experimental In Vitro Analysis Using Buckle Transducers and A Six Degree-Of-Freedom Electrogoniometer" Gary E. Behler, Program of Theoretical and Applied Mechanics, College of Engineering Northwestern University, Degree Awarded: June, 1983 Co-Advisor with Dr. Jack Lewis B. Post-Doctoral Research Fellows:
  10. 10. Kazuaki Katagiri, M.S., Hokkaido University, Sapporo, Japan, October 1996- June 1997 "Response of Intervertebral Discs to Shear, Compression and Combined Loading" "Lumbar Intradiscal Pressures under Prolonged and Cyclic Loading" Shinji Umehara, M.D., April 1994-May 1996 "Effect of Malalignment in the Instrumented Lumbar Fusion on Adjacent Segments" "Biomechanical and Histological Effects of an Oversized Pedicle Screw" Sekhar Sompalli, M.D., July 1994-June 1995 "Stabilization of Type II Sacral Fracture with Pubic Symphysis Disruption" Tae-Hong Lim, Ph.D., 1990-1992 "Viscoelastic Properties of Intervertebral Disc" Sangilimuthu Chandran, M.D., 1989-1991 "Mechanics of Vertebral Fractures in Spinal Osteoporosis" C. Graduate Student in School of Dentistry "Force Measurements During Extrusive Tooth Movements" Maria Haas, Masters Thesis. Degree Awarded: August 1993. (Co-advisor with Dr. Lewis Klapper), Department of Orthodontics, Loyola University School of Dentistry D. Residents in Orthopaedics (Research Rotation) Kevin Tu, M.D., July-December 2000 ìEffect of Vertebroplasty on the Biomechanics of the Thoracic Spineî Chris Giannoulias, M.D., July-December 2000 ìEffect of Cement Pressurization on the Stability of the Glenoid Component in Shoulder Arthrplastyî Omar Darr, M.D., January-June 2000 ìBiomechanical Comparison of Cofield, Biomet and Kirschner Shoulder Prosthesesî Walter Stanwood, M.D., July-December 1999 ìEffect of Anterior Glenoid Deficiency on Gleno-Humeral Stabilityî Eugene Chang, M.D., July-December 1999 ìEffect of Cavitary Defects on the Stability of the Cemented Glenoid Prosthesisî Renato Bosita, M.D., January-June 1999 ìAssessment of Pull-Out Strength after Deltoid-to-Triceps Tendon Transfer Augmented with Dacronî Brian Lohrbach, M.D., January-June 1999 ìOptimal Placement of Dall-Miles Cables in Cable and Plate Fixation of Periprosthetic Femoral Fracturesî Michelle Wolcott, M.D., July-December 1998 ìBiomechanical Evaluation of the Medial Collateral Ligament After Medial Epicondylectomyî Haagen Diener, M.D., July-December 1998 ìResponse of the Intact and Surgically Altered Cervical Spine Under a Follower Loadî Michael Forseth, M.D., January-June 1998 ìEffect of Thumb Carpometacarpal Joint Position on Lateral Pinch Force in Tetraplegiaî
  11. 11. June Eguro, M.D., April-June 1998 ìEffect of Distal Radial Malunion on Forearm Rotationî Peter Parten, M.D., October 1997-March 1998 ìA Model of Hydrostatic Loads Within Cervical Interbody Fusion Cagesî Sekhar Sompalli, M.D., July-December 1997 ìSupracondylar Femur Fractures in Total Knee Arthroplastyî Jeff Chase, M.D., January-June 1997 ìEffect of Localized Growth Hormone on Biomechanical Properties and Tissue Characteristics in oim Mouse Vertebraeî Sam Bourn, M.D., July-December 1996 "Analysis of Hydrostatic Forces Within Intervertebral Fusion Cages" Brian Steinke, M.D., July-December 1996 "Effect of hGH Transgene Expression on the Structural Properties of Mouse Vertebrae" Michael Sacco, M.D., January-June 1996 "Effect of Sagittal Alignment on the Strength of Anterior Plate Fixation in the Cervical Spine" Eric Monesmith, M.D., January-June 1996 "Restoration of Quadriceps Moment Arm in Post-Patellectomy Total Knee Arthroplasty" Derek Reinke, M.D., July-December 1995 "Patellofemoral Joint Pressures After ACL Reconstruction" Marc Zussman, M.D., July-December 1995 "Strategy to Improve Bone Quality in Osteogenesis Imperfecta" Patricia Griffith, M.D., January-June 1995 "Patellofemoral Contact Pressures After ACL Graft Harvest" Jeff Chase, M.D., November 1994-March 1995 "Effect of Cervical Flexion and Traction on Cervical Foraminal Space" Guido Marra, M.D., July-December 1994 "Bone Graft Growth Potential: Relationship to Periosteal Integrity" Herb Bote, M.D., July-December 1994 "Effect of BFGF on Meniscal Wound Repair, Receptor Expression and Biomechanical Strength" Joseph Tobin, M.D., January-June 1994 "Diagnosis of Depressed Lateral Tibial Plateau Fractures Using 2-D and 3-D Reconstructions in a Cadaveric Model" John Andreshak, M.D., January-June 1994 "Effect of Basic Fibroblast Growth Factor on Fracture Healing in the Rat" Craig Humphreys, M.D., July-December 1993 ìExtraperiosteal, Phalangeal Bone Graft Ravascularization and Tritiated Proline Uptake in Growing Rabbits at Different Agesî Steve Sokolosky, M.D., July-December 1993 "Stability of PIP Fracture Dislocations" John Schuster, M.D., July-December 1993 "Fixation of Tibial Plateau Fractures"
  12. 12. Mike Cohen, M.D., January-June 1993 "Stability of PIP Fracture Dislocations" Craig Humphreys, M.D., January-June 1993 "The Growth Potential of Extraperiosteal, Phalangeal Bone Grafts in Rabbits" Herb Bote, M.D., October 1992-March 1993 "Development of a laboratory model for studies of scoliosis correction" "Effect of pedicular screw triangulation on pull out strength" Van Stamos, M.D., July 1992-December 1992 "Micromotion at the acetabular cup-bone interface" John Pak, M.D., January 1992-June 1992 "Effect of levodopa and growth hormone on fracture healing- A rat model" Richard Rabinowitz, M.D., July 1991-December 1991 "Role of Interosseous Membrane in Forearm Stability" Sean McCallum, M.D., July 1991-December 1991 "A Comparison of Insertion Stresses Generated by Tibial Intramedulary Nails" Paul Slosar, M.D., January 1991-June 1991 "In Vitro Comparison of Instrumentation Systems for Burst Fracture Stabilization" Warren Jablonsky, M.D., January 1991-June 1991 "Torsional Stability of Femoral Stems in Revision Hip Arthroplasty" David Mehl, M.D., July 1990 - December 1990 "Micromotion of the Tibial Component Augmented with Modular Wedges" Paul Perona, M.D., July 1990 - December 1990 "Acetabular Micromotion as a Measure of Initial Implant Stability- A Comparison of Cementless Components" Blain Farless, M.D., January 1990 - June 1990 "Micromotion of the Tibial Component in the Presence of Medial Bone Defect- A Biomechanical Comparison of Methods of Augmentation" Jeff Lawrence, M.D., July 1989 - December 1989 "Acetabular Micromotion as a Measure of Initial Implant Stability" Robert Nixon, M.D., July 1989 - December 1989 "Biomechanical Study of Burst Fracture Stabilization" Paul Miller, M.D., January 1989 - June 1989 "Load Bearing Characteristics of the Wrist Following Selective Intercarpal Fusions" Scot Seymour, M.D., January 1989 - June 1989 "Experimental Simulation of Burst Fractures of the Spine" Julie Wehner, M.D., January 1988 - June 1988 "Load Bearing Characteristics of the Wrist Following Selective Intercarpal Fusions" Alexander Blevens, M.D., July 1987 - December 1987 "Load Bearing Characteristics of the Wrist Following Simulated Ligamentous
  13. 13. Instability" Thomas Woo, M.D., January 1987 - June 1987 "Load Bearing Characteristics of the Wrist Following Simulated Scaphoid Fracture" D. Smith, M.D., July 1986 - December 1986 "Load Bearing Characteristics of the Normal Wrist" Dan Daluga, M.D., January 1986 - June 1986 "Mechanical Stability of a New Anterior Construct for Segmental Spinal Fusion" David Apel, M.D., July 1985 - December 1985 "Biomechanical Studies of Unstable Intertrochanteric Fractures of the Femur" David Kraker, M.D., January 1985 - June 1985 "Effects of Low Back Pain Treatment Modalities on Biomechanics of Adjacent Segments" Tom Hitchcock, M.D., July 1984 - December 1984 "Effects of Immediate Controlled Mobilization on the Strength of Flexor Tendon Repairs" Brad Larson, M.D., July 1984 - December 1984 "Role of Gore-Tex Expanded PTFE Suture in Knee Ligament Repair: A Canine Model" Ken Schiffman, M.D., January 1984 - June 1984 "Biomechanical Studies of Spinal Segments with Spina Bifida Occulta" Gail Hopkins, M.D., January 1984 - June 1984 "Biomechanics of the Ankle Joint" Jeffrey Behr, M.D., July 1983 - December 1983 "Gore-Tex Augmented Patellar Tendon Repairs in a Canine Model" Eric Orenstein, M.D., July 1982 - December 1982 "Effects of Chymopapain Injection and Discectomy on Lumbar Facet Loads" Sam Chmell, M.D., January 1982 - June 1982 "Three-Dimensional Orientation of Cervical Spine Facets" Mike Zindrick, M.D., July 1981- December 1981 "Effects of Fibular Malunion on Biomechanics of the Ankle Joint" Mark Lorenz, M.D., July 1981- December 1981 "Load Bearing Characteristics of Lumbar Facet Joints" E. Podiatry Residents Mark Leonard, D.P.M. Podiatric Surgical Resident, 2/2000-6/2000 ìComparison of Absorbable vs. Synthes Screws for the Fifth Metatarsalî Lynn Mahoney, D.P.M. Podiatric Surgical Resident, 1/2000-5/2000 ìComparison of Titanium Screw vs. Bone Screw in 2nd Metatarsal Osteotomiesî Carrie Luna, D.P.M. Podiatric Surgical Resident, 1999-2000 ìComparison of the ReUnite Absorbable Screw and Synthes Cortical Screw for the Fixation of Kalish Osteotomyî Dale Buranosky, D.P.M. Podiatric Surgical Resident, 1999-2000 ìFirst Metatarsal Phalangeal Joint Fusionî
  14. 14. Clifford Retief, D.P.M. Podiatric Surgical Resident, 1998-1999 ìComparison of Tension Band Wiring and Screw Fixation for the Fifth Metatarsal Base Fracture Distal to the Tuberosityî Timothy Felton, D.P.M. Podiatric Surgical Resident, 1997-1998 ìComparison of Modified Chevron and Inverted Z Osteotomy Strengthî Chris Payette, D.P.M. Podiatric Surgical Resident, 1995-1996 ìTriple Arthrodesis Stabilization- Screw vs. Staple Fixationî Mike Miller, D.P.M., July 1993-December 1993 "A Comparison of Traditional and Nontraditional Z-Bunionectomies" F. Medical Student Supervision ìEffect of Localized Growth Hormone Transgene Expression on Tissue Characteristics in oim Mouse Vertebraeî Matt Gullickson, Loyola University of Chicago Stritch School of Medicine, 1997 "Anatomy and Histology of the Interosseous Membrane" Emmie Hsu, Loyola University of Chicago Stritch School of Medicine, 1993 "Evaluation of pinning techniques for distal humeral fractures" Mike Freehill, Mike Sacco, Brian Dobozi, 1992-93 ìDetermination of Cross-Sectional Properties and Bone Mineral Contents of the Human Radius and Ulnaî Emmie Hsu, Loyola University of Chicago Stritch School of Medicine, 1989- 1991 ìBiomechanical and Morphometric Studies of Vertebral Trabecular Boneî Emmie Hsu, Loyola University of Chicago Stritch School of Medicine, 1989- 1990 ìDetermination of Cross-Sectional Properties of the Radius and Ulnaî William Martin, Loyola University of Chicago Stritch School of Medicine, Summer 1989 ìThree-Dimensional Geometric Investigation of the Distal Radiusî Craig Humphrey, Loyola University of Chicago Stritch School of Medicine, Spring 1989 ìExperimental Production of Burst Fracturesî Dale Mueller, Loyola University of Chicago Stritch School of Medicine, Summer 1988 Elective Clerkship - Orthopaedic Biomechanics Research Harvey Mirley, Loyola University of Chicago Stritch School of Medicine, Spring 1986 Elective Clerkship - Orthopaedic Biomechanics Research Robert Nixon, Loyola University of Chicago Stritch School of Medicine, Spring 1986 Elective Clerkship - Orthopaedic Biomechanics Research Albert Doornik, Loyola University of Chicago Stritch School of Medicine, Fall 1985 Elective Clerkship - Orthopaedic Biomechanics Research John Jiganti, Loyola University of Chicago Stritch School of Medicine, Fall 1984
  15. 15. "Effect of Fibular Shortening on Biomechanics of the Ankle Joint" "Facet Joint Loads in Spinal Segments with Spina Bifida Occulta" James Hoyt, Loyola University of Chicago Stritch School of Medicine, July- Dec 1983 "Effects of Chymopapain Injection on the Biomechanics of Spinal Segments" Bruce M. Potenza, Chicago Medical School, Spring 1983 XIII. TEACHING EXPERIENCE BIOE 415: Biomechanics. Senior/Graduate level course taught in the Bioengineering Department, University of Illinois at Chicago, 1992-2000. BIOE 515: Mechanics of the Human Spine. Graduate level course in the Bioengineering Department, University of Illinois at Chicago, 1994-1998. Instruction in Principles of Orthopaedic Biomechanics to Residents in Orthopaedic Surgery: Development of teaching modules for Statics, Mechanics of materials, Mechanics of structures, and Dynamics. 1985-2000. Instruction in Orthopaedic Basic Science Curriculum for residents in Orthopaedic Surgery: Form and function of bone, growth plate and trabecular bone mechanics, bone fracture repair, biomechanics of articular cartilage, tendon, ligament and meniscus, skeletal muscle, biomaterials, kinesiology. 1995-2000. Instruction in Biomechanics of spine and spinal orthoses to students in the Graduate Certificate Program in Orthotics at Northwestern University Prosthetic-Orthotic Center. 1989-00. Undergraduate and graduate courses taught at Illinois Institute of Technology and Oklahoma State University: Kinematics and dynamics of machines, Numerical methods of Engineering Analysis, Methods of Computer-Aided Design and Optimization.engineering analysis, Methods of computer aided design and optimization.
  16. 16. XIV. Bibliography Peer-Reviewed Journal Articles: Patwardhan AG, Lee B, Meade KP: Frontal Plane Response of the Lumbar Spine Subjected to a Follower Load ñ Role of Muscles. J. Biomechanical Engineering (In Press: Projected publication date, June 2001). Humphreys SC, Hodges SD, Patwardhan AG, Eck JC, Murphy RB, Covington LA: Comparison of Posterior and Transforaminal Approaches in Performing Lumbar Interbody Fusion. Spine, (In Press: Projected publication date, June 2001). Zindrick MR, Knight GW, Sartori MJ, Carnevale TJ, Patwardhan AG, Lorenz MA: Pedicle Morphology of the Immature Thoracolumbar Spine. Spine, 25 (21):2726- 2735, 2000. Umehara S, Zindrick MR, Patwardhan AG, Havey RM, Vrbos LA, Knight GW, Miyano S, Kirincic M, Kaneda K, Lorenz M: The Biomechanical Effect of Postoperative Hypolordosis in Instrumented Lumbar Fusion on Instrumented and Adjacent Spinal Segments. Spine, 25 (13):1617-1624, 2000. Patwardhan AG, Havey RM, Ghanayem AJ, Diener H, Meade KP, Dunlap, B, Hodges SD: Load Carrying Capacity of the Human Cervical Spine in Compression is Increased Under a Follower Load. Spine, 25 (12):1548-1554, 2000. Patwardhan AG, Parnianpour M, Meade KP, Rizza R, Li S: Effect of Spinal Musculature on the Mechanics of the Lumbar Spine. Biomedical Engineering- Applications, Basis & Communications, 11:249-258, 1999. Lim TH, Patwardhan AG, Hong JH, An HS, Riley LH, Hodges S, Zindrick MR: Effect of Instrumented Lumbar Fusion on the Flexibility and Viscoelastic Properties of the Adjacent Segment: An In Vivo Canine Study. J. Musculoskeletal Research 3(2):125-136, 1999. Natarajan RN, Andersson GBJ, Patwardhan AG, Andriacchi TP: Study on the Effect of Graded Facetectomy on Change in Lumbar Motion Segment Torsional Flexibility Using Three Dimensional Continuum Contact Representation for Facet Joints. J Biomechanical Engineering 121:215-221, 1999. Khan T, Havey RM, Sayers ST, Patwardhan AG, King WW: Animal Models of Spinal Cord Injuries. Laboratory Animal Science 49(2):161-172, 1999. Patwardhan AG, Havey RM, Meade KP, Lee B, Dunlap B: A Follower Load Increases the Load Carrying Capacity of the Lumbar Spine in Compression. Spine 24(10):1003-1009, 1999. Steinke B, Patwardhan AG, Havey R, King D: Human Growth Hormone Transgene Expression Increases the Biomechanical Structural Properties of Mouse Vertebrae. Spine 24(1):1-4, 1999. Payette CR, Sage RA, Gonzalez JV, Sartori M, Patwardhan AG, Vrbos L: Triple Arthrodesis Stabilization: A Quantitative Analysis of Screw Versus Staple Fixation in Fresh Cadaveric Matched-Pair Specimens. J. Foot and Ankle Surgery 37(6):472-480, 1998. Katagiri K, Tadano S, Ukai T, Patwardhan AG, Havey RM, Ghanayem AJ: Measurement of Intradiscal Pressure Response in Low-Frequency Cyclic Loading. Transactions of the Japan Society of Mechanical Engineers 64:2429-2434, 1998. Humphreys SC, Chase J, Patwardhan AG, Shuster J, Lomasney L, Hodges S: Flexion and Traction Effect on C5-C6 Foraminal Space. Archives of Physical Medicine and Rehabilitation 79:1105-1109, 1998. Humphreys SC, Hodges S, Patwardhan AG, Eck JC, Shepard LC, Sartori M: The Natural History of the Cervical Foramen in Both Symptomatic and Asymptomatic Individuals as Measured by MRI. Spine 23:2180-2184, 1998. Wang JL, Parnianpour M, Shirazi-Adl A, Engin AE, Li S, Patwardhan A: Development and Validation of a Viscoelastic Finite Element Model of an L2/L3 Motion Segment. Theoretical and Applied Fracture Mechanics 28:81-93, 1997. Andreshak JL, Rabin SI, Patwardhan AG, and Wezeman FH: Tibial Segmental Defect Repair: Chondrogenesis and Biomechanical Strength Modulated by Basic Fibroblast Growth Factor. Anatomical Record 248:198-204, 1997. Saban J, Zussman MA, Havey R, Patwardhan AG, Schneider GB, and King D: Heterozygous OIM Mice Exhibit a Mild Form of Osteogenesis Imperfecta. Bone 19(6):575-579, 1996. Patwardhan AG, Gavin TM, Bunch WH, Dvonch VM, Vanderby R, Meade KP, and Sartori M: A Biomechanical Comparison of the Milwaukee Brace (CTLSO) and the TLSO for the Treatment of Idiopathic Scoliosis. J. Prosthetics and Orthotics 8(4):115- 122, 1996.
  17. 17. Patwardhan AG, Rimkus A, Gavin TM, Bueche M, Meade KP, Bielski R, and Ibrahim K: Geometric Analysis of Coronal Decompensation in Idiopathic Scoliosis. Spine 21(10):1192-1200, 1996. Havey RM, Gavin TM, Patwardhan AG, and Meade KP: Methodology-Measurements, Part II: Instrumentation and Apparatus. J. Prosthetics and Orthotics 8(2):50-64, 1996. Pinzur MS, Cox W, Kaiser J, Morris T, Patwardhan AG, and Vrbos L: The Effect of Prosthetic Alignment on Relative Limb Loading in Persons with Trans-tibial Amputation: A Preliminary Report. J. Rehabilitation Research and Development 32(4):373-378, 1995. Slosar P, Patwardhan A, Lorenz M, Havey R, and Sartori M: Instability of the Lumbar Burst Fracture and Limitations of Transpedicular Instrumentation. Spine 20:1452-1461, 1995. Li S, Patwardhan A, Amirouche F, Havey R, and K. Meade: Limitations of the Standard Linear Solid Model of Intervertebral Discs Subject to Prolonged Loading and Low-Frequency Vibrations in Axial Compression. J. Biomechanics 28(7):779- 790, 1995. Miller JM, Stuck R, Sartori M, Patwardhan AG, Cane R, and Vrbos L: The Inverted Z Bunionectomy: Quantitative Analysis of the Scarf and Inverted Scarf Bunionectomy Osteotomies in Fresh Cadaveric Matched Pair Specimens. The Journal of Foot and Ankle Surgery 33(5):455-462, 1994. Amirouche FML, Xie M, and Patwardhan AG: Optimization of the Contact Damping and Stiffness Coefficients to Minimize Human Body Vibration. Journal of Biomechanical Engineering 116(4):413-420, 1994. Rabinowitz R, Light T, Havey R, Gourineni P, Patwardhan A, Sartori M, and Vrbos L: The Role of the Interosseous Membrane and Triangular Fibrocartilage Complex (TFCC) in Forearm Stability. J. Hand Surgery 19A (3):385-393, May 1994. Hsu ES, Patwardhan AG, Meade KP, Light TR, and Martin WR: Cross-Sectional Geometrical Properties and Bone Mineral Contents of the Human Radius and Ulna. Journal of Biomechanics 26(11):1307-1318, 1993. Pinzur MS, Smith D, Tornow D, Meade K, and Patwardhan A: Gait Analysis of Dysvascular Below-Knee and Contralateral Through-Knee Bilateral Amputees: A Preliminary Report. Orthopedics 16(8):875-879, 1993. Gavin TM, Boscardin JB, Patwardhan AG, Bunch WH, Zindrick MR, Lorenz MA, and Vrbos LA: Preliminary Results of Orthotic Treatment for Chronic Low Back Pain. Journal of Prosthetics and Orthotics 5(1):25-29, 1993. Perona PG, Lawrence J, Paprosky WG, Patwardhan AG, Sartori M, and Morales SD: Acetabular Micromotion as a Measure of Initial Implant Stability in Primary Hip Arthroplasty. An In Vitro Comparison of Different Methods of Initial Acetabular Component Fixation. Journal of Arthroplasty 7(4):537-547, 1992. Chang H, Gilbertson LG, Goel VK, Winterbottom JM, Clark CR, and Patwardhan AG: Dynamic Response of the Occipito-Atlanto-Axial (C0-C1-C2) Complex in Axial Rotation. Journal of Orthopaedic Research 10(3):446-453, May 1992. Pinzur MS, Schumacher D, Reddy N, Osterman H, Havey R, and Patwardhan A: Preventing Heel Ulcers: A Comparison of Prophylactic Body-Support Systems. Archives of Physical Medicine and Rehabilitation 72:508-510, June 1991. Pinzur MS, Perona P, Patwardhan AG, and Havey R: Loading of the Contralateral Foot in Peripheral Vascular Insufficiency Below-Knee Amputees. Foot and Ankle 11(6):368-371, 1991. Patwardhan AG, Li S, Gavin TM, Lorenz MA, Meade KP, and Zindrick M: Orthotic Stabilization of Thoracolumbar Injuries. A Biomechanical Analysis of the Jewett Hyperextension Orthosis. Spine 15(7): 654-661, July 1990. Apel DM, Patwardhan AG, Pinzur, MS, and Dobozi WR: Axial Loading Studies of Unstable Intertrochanteric Fractures of the Femur. Clinical Orthopaedics and Related Research 246:156-164, September 1989. Blevens AD, Light TR, Jablonsky WS, Smith DG, Patwardhan AG, Guay ME, and Woo TS: Radiocarpal Articular Contact Characteristics with Scaphoid Instability. Journal of Hand Surgery, 14A:781-790, September 1989. Stuck RM, Moore JW, Patwardhan AG, Sartori MJ: Forces Under the Hallux Rigidus Foot with Surgical and Orthotic Intervention. Journal of American Podiatric Medical Association 78(9):465-468, 1988. Meade KP, Bunch WH, Vanderby R, Patwardhan AG, Knight GW: Progression of Unsupported Curves in Adolescent Idiopathic Scoliosis. Spine 12(6):520-526, 1987.
  18. 18. Hitchcock T, Light T, Bunch WH, Knight GW, Sartori M, Patwardhan AG, Hollyfield R: Effect of Immediate Controlled Digital Motion on the Strength of Flexor Tendon Repairs. Journal of Hand Surgery Vol 12A, No.4, pp. 590-595, July 1987. Zindrick MR, Wiltse LL, Doornik A, Widell EH, Knight GW, Patwardhan AG, Thomas JC: Analysis of the Morphometric Characteristics of the Thoracolumbar Pedicles. Spine, 12(2):160-166, 1987. Vanderby R, Daniele M, Patwardhan AG, Bunch WH: A Method for Identification of In Vivo Segmental Stiffness Properties of the Spine. Journal of Biomechanical Engineering , Vol 108, pp. 312-316, November 1986. Patwardhan AG, Bunch WH, Meade KP, Vanderby R, Knight GW: A Biomechanical Analog of Curve Progression and Orthotic Stabilization in Idiopathic Scoliosis. Journal of Biomechanics, 19(2):103-117, 1986. Bunch WH, Patwardhan AG, Dvonch VM: A Mechanism of Action of Spinal Orthoses. Journal of the Association of Children's Prosthetic-Orthotic Clinics, 18(5): 7- 10, Winter 1983. Vanderby R, Patwardhan AG: Computers in Rehabilitative Biomechanics. Association of Computing Machinery SigCAPH Quarterly, Number 3; pp 16-26, Winter 1983. Lorenz M, Patwardhan AG, Vanderby R: Load Bearing Characteristics of Lumbar Facets in Normal and Surgically Altered Spinal Segments. Spine, 8: 122-130, 1983. Patwardhan AG, Soni AH, Sullivan JA, Gudavalli MR, Srinivasan V: Kinematic Analysis and Simulation of Vertebral Motion Under Static Load- Part II: Simulation Study. Journal of Biomechanical Engineering, 104:112-118, May 1982. Soni AH, Sullivan JA, Patwardhan AG, Gudavalli MR, Chitwood J: Kinematic Analysis and Simulation of Vertebral Motion Under Static Load- Part I: Kinematic Analysis. Journal of Biomechanical Engineering, 104: 105-111, May 1982. Patwardhan AG, Soni AH: Motion Simulation of an Articulated Robotic Arm Subjected to Static Forces. Journal of Mechanical Design, 104: 494-503, 1982. Patwardhan AG, Soni AH, Sullivan JA: A General Method to Locate a Body in 3-D Space using X-ray Exposure in Two Oblique Planes. Mechanisms and Machine Theory, 16(4):459-461, 1981. Patwardhan AG, Soni AH, Sullivan JA: Technology Transfer in Biokinematics of the Human Spine. Journal of Mechanical Design, 101: 594-603, October 1979. Patwardhan AG, Soni AH: Synthesis of a Planar Four-Bar Crank-Rocker Mechanism with Elastic Links. ASME Paper No. 76-DET-73, 1976. Journal Articles In Review: Havey RM, Gavin TM, Patwardhan AG, Pawelczak SB, Ibrahim KN: A Reliable And Accurate Method of Measuring Orthosis-Wearing Compliance. Spine (In Review). Invited Discussion: Patwardhan AG: Point of View. Spine 19:2671, 1994. Invited discussion of the article by Haher et al. Book: Bunch WH and Patwardhan AG: Scoliosis- Making Clinical Decisions. The C. V. Mosby Company, St. Louis, 1989. Book Chapters: Flanagan PF, Gavin TM, Patwardhan AG, Gavin DQ: Spinal Orthoses. Chapter 14, In Lusardi and Nielson Eds. Orthotics and Prosthetics in Rehabilitation. Butterworth-Heinemann Publishers, Newton, Massachusetts, June 2000. Gavin TM, Bunch WH, Patwardhan AG, Meade KP, Shurr DG, Orthotic Treatment for Spinal Disorders. Chapter 85, In Pediatric Spine, 2nd Edition, Ed Weinstein SL, Lippincott Raven, 2000. Gavin TM, Patwardhan AG, Levine PD, Gavin DQ, Fenwick L: Principles and Components of Spinal Orthoses. in Atlas of Orthotics , C.V. Mosby, pp. 155-194, 1997. Lorenz M and Patwardhan AG: The Three-Joint Complex. in The Lumbar Spine, Second edition, W. B. Saunders Company, Philadelphia, Vol. 1, pp. 52-57, 1996. Gavin TM, Shurr DG, Patwardhan AG: Orthotic Treatment for Spinal Disorders. in Pediatric Spine, S. Weinstein, Ed., Ravin Press, Vol. 2, pp. 1795-1828, 1994.
  19. 19. Patwardhan AG, Gavin TM, Slosar PJ, and Lorenz MA: Biomechanics of Implants and Orthoses for Thoracolumbar Injuries. in Spine: State of the Art Reviews, Hanley and Belfus, Inc., Philadelphia, Vol. 7, No. 2, pp. 261-280, 1993. Patwardhan AG, Bunch WH, Dvonch VM, Gavin TM, and Goel V: Biomechanics of Adolescent Idiopathic Scoliosis- Natural History and Treatment. in Biomechanics of the Spine- Clinical and Surgical Perspective, V.K. Goel and J.N. Weinstein, Eds., CRC Press, pp. 251-285, 1990. Goel V, Weinstein J, and Patwardhan AG: Biomechanics of Intact Ligamentous Spine. in Biomechanics of the Spine- Clinical and Surgical Perspective, V.K. Goel and J.N. Weinstein, Eds., CRC Press, pp. 97-156, 1990. Lorenz M, Patwardhan AG, and Zindrick M: Instability and Mechanics of Implants and Braces for Thoracic and Lumbar Fractures. in Spinal Trauma, T. Erico, Ed., J. B. Lippincott and Co., pp. 271-280, 1990. Vanderby R, Patwardhan AG, Meade KP, and Bunch WH: Spinal Stability in Adolescent Idiopathic Scoliosis. in Computational Methods in Bioengineering, R. L. Spilker and B. R. Simon, Eds., pp. 411-425, 1988. Patwardhan AG, Vanderby R, Knight GW, Gogan W, Levine P: Biomechanics of the Spine. Chapter 7. Atlas of Orthotics - Biomechanical Principles and Application, The C.V. Mosby Company, St. Louis, 1985, pp 139-150. Conference Abstracts and Presentations: Gudavalli MR, Cox JM, Cramer GD, Baker JA, Patwardhan AG: Vertebral Motions During Flexion-Distraction Treatment for Low Back Pain. Presented at the 2000 ASME Winter Annual Meeting, November 5-10, 2000, Orlando, Florida. Havey R, Gavin TM, Patwardhan AG, Pawelczak SB and Ibrahim KN: A Reliable And Accurate Method of Measuring Orthosis-Wearing Compliance. Presented at the 27th Annual Meeting of the International Society for the Studies of the Lumbar Spine. Adelaide, Australia. April 2000. Patwardhan A, Havey R, Ghanayem A, Diener H, Meade K, Dunlap B, Hodges S: A Follower Load Stabilizes the Lumbar Spine with Minimal Changes in Sagittal Plane Mobility. Presented at the 46th Annual Meeting of the Orthopaedic Research Society, March 12-15, 2000, Orlando, Florida. Havey RM, Gavin TM, Patwardhan AG, Pawelczak S, Ibrahim K: A Reliable and Accurate Method of Measuring Orthosis-Wearing Time. Presented at the 1999 ASME International Mechanical Engineering Congress, November 14-19, 1999, Nashville, Tennessee. Gudavalli MR, Backman JA, Kirstukas SJ, Kadiyala AV, Patwardhan AG, Ghanayem AJ: Electromyographic Activity of Trunk Muscles During Flexion-Distraction Treatment of Low Back patients. Presented at the 1999 ASME International Mechanical Engineering Congress, November 14-19, 1999, Nashville, Tennessee. Patwardhan AG, Havey R, Diener H, Ghanayem AJ, Meade KP, Lim TH: A Follower Load Stabilizes the Lumbar Spine Without Compromising Sagittal Mobility. Presented at the 14th Annual Meeting of the North American Spine Society, October 20-23, 1999, Chicago, Illinois. Havey RM, Gavin TM, Patwardhan AG, Pawelczak S, Ibrahim K: A Reliable and Accurate Method of Measuring Orthosis-Wearing Time. Presented at the 14th Annual Meeting of the North American Spine Society, October 20-23, 1999, Chicago, Illinois. Patwardhan AG, Havey R, Diener H, Ghanayem AJ, Meade KP, Lim TH: A Follower Load Stabilizes the Lumbar Spine Without Compromising Sagittal Mobility. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine, June 21-25, 1999, Kona, Hawaii. Lim TH, Fujiwara A, Tanaka N, Jeon CH, Kim J, Garretson R, An H, Andersson GBJ, Havey R, Patwardhan AG: Effect of Follower Load on the Lumbar Segmental Rotational Motion. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine, June 21-25, 1999, Kona, Hawaii. Patwardhan A, Havey R, Ghanayem A, Diener H, Meade K, Dunlap B, Hodges S: Load Carrying Capacity of the Human Cervical Spine in Compression is Increased Under a Follower Load. Presented at the 45th Annual Meeting of the Orthopaedic Research Society, February 1-4, 1999, Anaheim, California. Patwardhan AG, Havey R, Ghanayem AJ, Diener H, Meade KP, Dunlap B, Hodges S: Load Carrying Capacity of the Human Cervical Spine in Compression is Increased Under a Follower Load. Presented at the Twenty-Sixth Annual Meeting, Cervical Spine Research Society, December 3-5, 1998, Atlanta, Georgia.
  20. 20. Parten P, Ghanayem AJ, Havey R, Bourn S, Patwardhan AG: Hydrostatic Loads Within a Cervical Interbody Fusion Cage: An In Vitro Model. Presented at the Twenty- Sixth Annual Meeting, Cervical Spine Research Society, December 3-5, 1998, Atlanta, Georgia. Gavin TM, Patwardhan AG, Meade KP: Orthotic Management of Fractures of the Thoracolumbar Spine. ìTreatment of Spinal Disorders,î Symposium sponsored by the Rotary Club of Southern Bogota and Laboratorio Gilete, November 1998, Bogota, Colombia. Gavin TM, Patwardhan AG, Meade KP, Pawelczak SB: A New Approach to the Orthotic Management of Scoliosis. ìTreatment of Spinal Disorders,î Symposium sponsored by the Rotary Club of Southern Bogota and Laboratorio Gilete, November 1998, Bogota, Colombia. Patwardhan AG, Gavin TM, Meade KP, Pawelczak SB: Biomechanics of Spinal Disorders. ìTreatment of Spinal Disorders,î Symposium sponsored by the Rotary Club of Southern Bogota and Laboratorio Gilete, November 1998, Bogota, Colombia. Patwardhan, AG, Havey RM, Meade KP, Lee B, Dunlap B, Gavin TM: Stability of the Lumbar Spine Subjected to a Follower Load- Part I: Experimental Results. Presented at the 1998 ASME International Mechanical Engineering Congress, November 16-20, 1998, Anaheim, California. Meade KP and Patwardhan, AG: Stability of the Lumbar Spine Subjected to a Follower Load- Part I: Theoretical Results. Presented at the 1998 ASME International Mechanical Engineering Congress, November 16-20, 1998, Anaheim, California. Gudavalli MR, Cox JM, Cramer GD, Baker JA, Patwardhan AG: Intervertebral Disc Pressure Changes During Low Back Treatment Procedures. Presented at the 1998 ASME International Mechanical Engineering Congress, November 16-20, 1998, Anaheim, California. Patwardhan AG, Lee B, Meade KP, Havey R, Gavin TM: Follower Load- A Novel Concept of In Vivo Spine Stability. Presented at the Annual Meeting of the American Orthotic-Prosthetic Association, September 1998, Chicago, Illinois. Gavin TM, Patwardhan AG, Meade KP: Geometric Considerations in Orthotic Treatment of Idiopathic Scoliosis. Presented at the Annual Meeting of the American Orthotic-Prosthetic Association, September 1998, Chicago, Illinois. Gavin TM, Patwardhan AG, Meade KP, Bunch WH: Biomechanics of Orthoses. Presented at the ìBracing Symposium,î Scoliosis Research Society, September 1998, New York. Umehara S, Patwardhan AG, Zindrick MR: Effect of Spinal Fusion on Adjacent Segments. Presented at the 3rd World Congress of Biomechanics, August 2-8, 1998, Sapporo, Japan. Patwardhan AG, Havey, RM, Meade KP, Lee B, Dunlap B: A Follower Load Increases the Load Carrying Capacity of the Lumbar Spine in Compression. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine, June 9-13, 1998, Brussels, Belgium. Patwardhan AG, Lee B, Meade KP, Havey R, Gavin TM: The Follower Load Path is a Path of Spinal Stability- Lumbar Spine Stability and Implications to Muscle Coactivation. Presented at the Annual Meeting of the American Academy of Orthotists and Prosthetists, April 1998, Miami, Florida. Gavin TM, Patwardhan AG, Meade KP: Analysis of geometric Outcome of Orthotic Treatment of Idiopathic Scoliosis. Presented at the Annual Meeting of the American Academy of Orthotists and Prosthetists, April 1998, Miami, Florida. Cardinne L, Wezeman FH, Patwardhan AG, Light T: Fibrochondrocyte Allografts Promote Healing of Standardized Meniscal Defects in the Avascular Zone. Presented at the 44th Annual Meeting, Orthopaedic Research Society, March 16-19, 1998, New Orleans, Louisiana. Natarajan RN, Paruchuri S, Andersson GBJ, Lavender SA, Patwardhan AG: Calculation of a Critical Magnitude of Facet Resection Responsible for Sudden Increase in Flexibility of a Lumbar Spine Motion Segment. Presented at the 44th Annual Meeting, Orthopaedic Research Society, March 16-19, 1998, New Orleans, Louisiana. Patwardhan AG, Meade KP, Lee B: A Follower Load Increases the Load Carrying Capacity of the Lumbar Spine in Compression- Muscle Activation and Stabilization. Presented at the 44th Annual Meeting, Orthopaedic Research Society, March 16-19, 1998, New Orleans, Louisiana. Chase J, Patwardhan AG, Havey R, Gullickson M, King D: Effects of Growth Hormone
  21. 21. Transgene Expression on Vertebrae in a Mouse Model of Osteogenesis Imperfecta. Presented at the 44th Annual Meeting, Orthopaedic Research Society, March 16-19, 1998, New Orleans, Louisiana. Felton T, Sage R, Patwardhan A: Comparison of Modified Chevron and Inverted Z Osteotomy Strength. Presented at the 56th Annual Meeting, American College of Foot and Ankle Surgeons, February 11-14, 1998, Orlando, Florida. Sacco M, Ghanayem A, Havey R, Patwardhan A: The Effect of Sagittal Rotation on Anterior Cervical Plate Fixation at the Cervicothoracic Junction. Presented at the 25th Annual Meeting, Cervical Spine Research Society, December 4-6, 1997, Rancho Mirage, California. Gudavalli MR, Cox JM, Baker JA, Cramer GD, Patwardhan AG: Intervertebral Disc Pressure Changes During a Chiropractic Procedure. Presented at the Winter Annual meeting, American Society of Mechanical Engineers-Bioengineering Division, November 16-19, 1997, Dallas, Texas. Natarajan RN, Paruchuri S, Andersson GBJ, Lavender SA, Patwardhan AG: The Effect of Graded facetectomies on the Stiffness of the Lumbar Spine. Presented at the Winter Annual meeting, American Society of Mechanical Engineers-Bioengineering Division, November 16-19, 1997, Dallas, Texas. Patwardhan AG, Havey R, Meade KP: A ìFollower Loadî Increases the Load carrying Capacity of the Lumbar Spine in Compression. Presented at the 1997 North American Spine Society Meeting, October 23-24, 1997, New York, New York. Patwardhan AG, Havey R, Meade KP: A ìFollower Loadî Increases the Axial Load carrying Capacity of the Lumbar Spine in the Upright Posture. Presented at the 1997 Scoliosis Research Society Meeting, September 25-27, 1997, St. Louis, Missouri. Steinke B, Patwardhan AG, Havey R, King D: hGH Transgene Expression Enhances the Structural Properties of Mouse Vertebrae. Presented at the 1997 Summer Bioengineering Conference, June 11-15, 1997, Sunriver, Oregon. Patwardhan AG, Havey R, Millar J, Meade KP, Katagiri K: A ìFollower Loadî Increases the Load carrying Capacity of the Lumbar Spine in Axial Compression. Presented at the 1997 Summer Bioengineering Conference, June 11-15, 1997, Sunriver, Oregon. Ghanayem AJ, Bourn SM, Havey R, Patwardhan A: Hydrostatic Loads Within an Intervertebral Fusion Cage: An In Vitro Model. Presented at the 24th annual meeting, International Society for the Study of the Lumbar Spine, June 2-6, 1997, Singapore. Gudavalli MR, Cox JM, Baker JA, Cramer GD, Patwardhan AG: Intervertebral Disc Pressure Changes During Flexion-Distraction Procedure for Low Back Pain. Presented at the 24th annual meeting, International Society for the Study of the Lumbar Spine, June 2-6, 1997, Singapore. Steinke B, Patwardhan A, Havey R, King D: Positive Effect of hGH Transgene Expression on the Structural Properties of Mouse Vertebrae. Presented at the 24th annual meeting, International Society for the Study of the Lumbar Spine, June 2-6, 1997, Singapore. Griffith P, Tonino P, Patwardhan A, Sartori M, Hopkinson W: Patellofemoral Malalignment and ACL Reconstruction: Can Patellofemoral Contact Forces be Modified? Annual Meeting of the American Academy of Orthopaedic Surgeons, February 13-17, 1997, San Francisco, California. Umehara S, Zindrick MR, Patwardhan AG, Vrbos LA, Havey RM, Lorenz MA: Postoperative Sagittal Malalignment in Instrumented Lumbar Fusion Causes Abnormal Loading of the Adjacent Segments. 43rd Annual Meeting, Orthopaedic Research Society, February 9-13, 1997, San Francisco, California. Zussman M, Saban J, Havey R, Patwardhan A, Schneider G, King D: Strategy to Improve Bone Quality in Osteogenesis Imperfecta. 43rd Annual Meeting, Orthopaedic Research Society, February 9-13, 1997, San Francisco, California. Rimkus A, Patwardhan AG, Meade KP, Gavin TM, Bueche MJ: Mechanism of Coronal Decompensation in Idiopathic Scoliosis. Presented at the Winter Annual meeting, American Society of Mechanical Engineers-Bioengineering Division, November 17- 22, 1996, Atlanta, Georgia. Meade KP, Patwardhan AG, Gavin TM: A Viscoelastic Model for the Natural History of Adolescent Idiopathic Scoliosis. Presented at the Winter Annual meeting, American Society of Mechanical Engineers-Bioengineering Division, November 17- 22, 1996, Atlanta, Georgia. Umehara S, Zindrick MR, Patwardhan AG, Vrbos LA, Havey RM, Lorenz MA: The
  22. 22. Clinical and Biomechanical Consequences of the Sagittally Malaligned Lumbar Spine Upon Adjacent Segments. Presented at the 23rd annual meeting, International Society for the Study of the Lumbar Spine, June 25-29, 1996, Burlington, Vermont. Shuster J, Chase J, Humphreys C, Lomasney L, Patwardhan A, Hodges S: Effect of Flexion and Traction on C5-6 Foraminal Space. 42nd Annual Meeting, Orthopaedic Research Society, February 19-22, 1996, Atlanta, Georgia. Sompalli C, Rabin S, Patwardhan A, Hodges S, Light T, Sartori M, Vrbos L: Instability of Type II Sacral Fractures With Anterior Ring Disruption Before and After Fixation. 42nd Annual Meeting, Orthopaedic Research Society, February 19- 22, 1996, Atlanta, Georgia. Marra G, Bednar M, Sompalli C, Sartori M, Patwardhan AG, Wezeman F, Light T: Effect of Periosteal Integrity on Growth of Nonvascularized Bone Grafts. 42nd Annual Meeting, Orthopaedic Research Society, February 19-22, 1996, Atlanta, Georgia. Lim TH, Patwardhan AG, Hong JH, An HS, Riley LH, Hodges S, Zindrick MR: Effect of Instrumented Fusion on the Biomechanics of Adjacent Segment- An In Vivo Canine Study. 42nd Annual Meeting, Orthopaedic Research Society, February 19- 22, 1996, Atlanta, Georgia. Humphreys SC, Chase J, Lomasney L, Patwardhan AG, Shuster J: Effect of Flexion and Traction on C5-C6 Foraminal Space. 23rd Annual Meeting of the Cervical Spine Research Society, Santa Fe, NM, November 30-December 2, 1995. Patwardhan AG, Rimkus A, Gavin TM, Bueche M, Meade KP, Bielski R, and Ibrahim K: Geometric Analysis of Coronal Decompensation in Idiopathic Scoliosis. Winter Annual Meeting, American Society of Mechanical Engineers- Bioengineering Division, San Francisco, CA, November 12-17, 1995. Chase J, Humphreys SC, Lomasney L, Patwardhan AG, Shuster J: Effect of Flexion and Traction on C5-C6 Foraminal Space. 10th Annual Meeting of the North American Spine Society, Washington, D. C., October 18-21, 1995. King D, Saban J, Bolt D, Patwardhan A, Schneider G: Production of Growth Hormone by Erythroid Cells Increases Osteogenesis in Transgenic Mice. J. Bone Mineral Res. 10 (Suppl. 1):S173, 1995. Patwardhan AG, Rimkus A, Gavin TM, Bueche M, Meade KP, Bielski R, and Ibrahim K: Geometric Analysis of Coronal Decompensation in Idiopathic Scoliosis. Presented at the 30th Annual Meeting of the Scoliosis Research Society, Asheville, NC, September 13-16, 1995. Meade KP, Patwardhan AG, Gavin T: Predictions of a Viscoelastic Model for Scoliosis. Proceedings of the 1995 Bioengineering Conference, Beaver Creek, Colorado, June 28-July 2, 1995, BED-Vol 29, pp. 531-532, 1995. Patwardhan AG, Bunag J, Meade KP, Amirouche F, Lorenz M: Viscoelastic Response of Lumbar Discs in Shear and Compression. Proceedings of the 1995 Bioengineering Conference, Beaver Creek, Colorado, June 28-July 2, 1995, BED-Vol 29, pp. 283-284, 1995. Gudavalli MR, Triano JJ, Patwardhan AG, Havey R, McGregor M: Biomechanics of the Atlanto-Axial Joint During Vertebral Artery Provocation Test. Proceedings of the 1995 Bioengineering Conference, Beaver Creek, Colorado, June 28-July 2, 1995, BED-Vol 29, pp. 321-322, 1995. Patwardhan AG, Bunag J, Meade KP, Amirouche F, Lorenz M: Response of Lumbar Discs to Prolonged Loading and Low-Frequency Vibration in Shear, Compression, and Combined Loading. Presented at the 22nd annual meeting, International Society for the Study of the Lumbar Spine, June 18-22, 1995, Helsinki, Finland. Li S, Patwardhan AG, Meade KP, Amirouche F: Response of Intervertebral Discs to Prolonged Loading and Low-Frequency Vibration in Axial Compression: Simulation Using a Five-Parameter Model. Presented at the 1994 International Mechanical Engineering Congress and Exposition, November 1994, Chicago, IL. Gilbertson LG, Goel VK, Patwardhan AG: Biomechanics of Spinal Hyperextension Orthoses Used in the Treatment of Thoracolumbar Injuries. Presented at the 21st annual meeting, International Society for the Study of the Lumbar Spine, June 21-25, 1994, Seattle, WA. Hsu E, Light T, Patwardhan A, and Bednar M: The Anatomy and Histology of the Interosseous Membrane- Functional Implications. Proceedings of the 11th Annual Residents and Fellows Hand Surgery Conference, September 1993, Kansas City Missouri. Slosar P, Patwardhan A, Lorenz M, Havey R, and Sartori M: Stability of
  23. 23. Posterior Constructs for L1 Burst Fracture- A Comparison of 2-Column and 3- Column Injuries. Proceedings of the ASME Bioengineering Conference, Breckenridge, Colorado, June 1993, BED-Vol. 24, pp. 183-185, 1993. Li S, Patwardhan A, Amirouche F, and Havey R: Viscoelastic Properties of Human Thoracic and Lumbar Spinal Segments- A Comparison with Linear Viscoelastic Model Predictions. Proceedings of the ASME Bioengineering Conference, Breckenridge, Colorado, June 1993, BED-Vol. 24, pp. 473-476, 1993. Miller MC, Andreyko GM, Hake RN, Patwardhan AG, and Meade KP: Design and Testing of a Device to Load the Vertebral Endplate. Proceedings of the ASME Bioengineering Conference, Breckenridge, Colorado, June 1993, BED-Vol. 24, pp. 624-625, 1993. Rabinowitz R, Light T, Havey R, Gourineni P, Patwardhan A, and Sartori M: Biomechanical Analysis of the Interosseous Membrane (IOM) and Triangular Fibrocartilage Complex (TFCC) and Their Contribution to Forearm Stability. Transactions of the 39th Annual Meeting, Orthopaedic Research Society, February 1993, San Francisco, California, pp. 111. Alpan M, Meade K, Patwardhan A, and Arcan M: Effect of Low-Calcium Diet on the Mechanical Properties of Canine Vertebral Trabecular Bone. Presented at the Winter Annual Meeting of American Society of Mechanical Enginners-Bioengineering Division, November 1992, Anaheim, CA. Alpan M, Meade K, Patwardhan A, and Arcan M: A Strength Criterion for Trabecular Bone. Presented at the Winter Annual Meeting of American Society of Mechanical Enginners-Bioengineering Division, November 1992, Anaheim, CA. Li S, Patwardhan A, Amirouche F, Lim T, Havey R, and Meade K: Development of a Viscoelastic Solid Model of a Spinal Segment Using Constrained Optimization. Presented at the Winter Annual Meeting of American Society of Mechanical Enginners-Bioengineering Division, November 1992, Anaheim, CA. Slosar PJ, Patwardhan AG, Lorenz M, Havey R, Nixon R, Seymour S, and Sartori M: Three-Dimensional Instability of the Burst Fracture- A Comparison of the Two- Column and Three-Column Injuries. Presented at the annual meeting of the Scoliosis Research Society, September 1992, Kansas City, Kansas. Slosar PJ, Patwardhan AG, Lorenz M, Havey R, Nixon R, Seymour S, and Sartori M: The Three-Dimensional Instability Patterns of the Thoracolumbar Burst Fracture. Presented at the annual meeting of the International Society for the Study of the Lumbar Spine, May 1992, Chicago, IL Perona P, Lawrence J, Paprosky W, Patwardhan A, and Sartori M: Initial Stability of a Press-Fit Acetabular Component in Total Hip Replacement and the Effects of Screw and Spike Augmentation. Scientific Exhibit, Presented at the 59th annual meeting, American Academy of Orthopaedic Surgeons, February 1992, Washington, D.C. Slosar PJ, Patwardhan AG, Lorenz M, Havey R, Nixon R, Seymour S, and Sartori M: The Three-Dimensional Instability Patterns of the Thoracolumbar Burst Fracture. Presented at the 38th annual meeting, Orthopaedic Research Society, February 17- 20, 1992, Washington, D.C. Patwardhan AG, Parnianpour M, Meade KP, Rizza R, and Li S: Effect of Muscle Activation Patterns on the Mechanics of the Lumbar Spine. Presented at the 38th annual meeting, Orthopaedic Research Society, February 17-20, 1992, Washington, D.C. Lim TH, Patwardhan AG, Li s, Chandran S, Meade KP, and Havey R: Effect of Low- Calcium Diet on the Viscoelastic Properties of the Intervertebral Disc- A Canine Model. Presented at the 38th annual meeting, Orthopaedic Research Society, February 17-20, 1992, Washington, D.C. Gilbertson L, Goel V, Patwardhan A, Havey R, and Morris T: The Biomechanical Function of "Three-Point" Hyperextension Orthoses. Presented at the Winter Annual Meeting of American Society of Mechanical Enginners-Bioengineering Division, December 1991, Atlanta, Georgia. Slosar P, Patwardhan A, Lorenz M, Havey R, Nixon R, Seymour S, and Sartori M: Three-Dimensional Instability Patterns of the Thoracolumbar Burst Fracture. Presented at the Winter Annual Meeting of American Society of Mechanical Enginners-Bioengineering Division, December 1991, Atlanta, Georgia. Gilbertson L, Goel VK, and Patwardhan AG: Role of Facet Orientation in Producing Thoracolumbar Spinal Fractures. Presented at the Biomechanics Symposium, June 16-19, 1991, Columbus, Ohio. Patwardhan A, Parnianpour M, Meade K, Rizza, R, and Li S: A Finite Element
  24. 24. Model of the Lumbar Spine to Study the Stabilizing Role of Different Muscle Architectures. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine, May 12-16, 1991, Heidelberg, Germany. Parnianpour M, Patwardhan A, and Aaron A: The Effects of Pure Compressive Load on the Spinal Stability: A Test of Muscular Coactivation Theory. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine, May 12-16, 1991, Heidelberg, Germany. Patwardhan A, Li S, Gavin T, Bunch W, and Hollyfield R: A Biomechanical Analysis of Surgical Correction in Combined Thoracic and Lumbar Idiopathic Scoliosis. Presented at the 37th Annual Meeting, Orthopaedic Research Society, March 4-7, 1991, Anaheim, California. Arcan M, Meade K, Patwardhan A, Sartori M, Alpan M, and Chandran S: Collapse of Vertebral Trabecular Bone: Relevant Mechanical Properties. Presented at the 37th Annual Meeting, Orthopaedic Research Society, March 4-7, 1991, Anaheim, California. Hsu E, Patwardhan A, Light T, Meade K, and Martin W: Bone Mineral Mass and Cross-Sectional Geometric Properties of the Human Radius and Ulna. Presented at the 37th Annual Meeting, Orthopaedic Research Society, March 4-7, 1991, Anaheim, California. Farless B, Daley R, Schwartz C, Patwardhan A, and Bardfield S: Micromotion of the Tibial Component Augmented with Modular Wedges for Deficient Tibial Bone Stock. Presented at the 37th Annual Meeting, Orthopaedic Research Society, March 4-7, 1991, Anaheim, California. Lawrence J, Farless B, Schwartz C, Patwardhan A, Sartori M, Licus L, and Bardfield S: Acetabular Micromotion as Measured by Laser Holographic Interferometry. Presented at the 37th Annual Meeting, Orthopaedic Research Society, March 4-7, 1991, Anaheim, California. Hsu E, Patwardhan A, Light T, and Martin W: Cross-Sectional Geometric Properties of the Human Radius and Ulna. Presented at the 1990 ASME Winter Annual Meeting, November 25-30, 1990, Dallas, Texas. Advances in Bioengineering, pp. 177-180, November 1990. Patwardhan A, Li S, Hollyfield R, and Gavin T: A Biomechanical Analysis of Surgical Correction in Combined Thoracic and Lumbar Idiopathic Scoliosis. Presented at the 1990 ASME Winter Annual Meeting, November 25-30, 1990, Dallas, Texas. Advances in Bioengineering, pp. 235-237, November 1990. Patwardhan AG, Li S, Gavin TM, Lorenz M, and Meade KP: Effectiveness of a Three-Point Hyperextension Orthosis in Stabilizing Thoracolumbar Injuries: A Biomechanical Analysis. Presented at the Thirteenth Annual Conference, Rehabilitation Engineering Society of North America, June 15-20, 1990, Washington, D. C. Patwardhan AG, Li S, Gavin TM, Lorenz MA, Meade KP, and Zindrick M: Orthotic Stabilization of Thoracolumbar Injuries- A Biomechanical Analysis of the Jewett Hyperextension Orthosis. Presented at the Specialty Day, 57th Annual Meeting, American Academy of Orthopaedic Surgeons, February 11, 1990, New Orleans, LA. Gavin TM, Fisk JR, and Patwardhan AG: Orthotic Treatment of Scoliosis in the High Thoracic Spine. Presented at the Sixteenth Annual Meeting, American Academy of Orthotists and Prosthetists, January 24-28, 1990, Phoenix, Arizona. Patwardhan AG, Li S, Gavin T, Lorenz M, and Meade KP: Orthotic Stabilization of Thoracolumbar Injuries- A Biomechanical Analysis. Presented at the Sixteenth Annual Meeting, American Academy of Orthotists and Prosthetists, January 24-28, 1990, Phoenix, Arizona. Patwardhan AG, Li S, Gavin TM, Lorenz MA, Meade KP, and Zindrick M.: Effect of Injury and Orthotic Support on Segmental Motion of the Thoracolumbar Spine. Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, December 10-15, 1989, San Francisco, CA. Patwardhan AG, Li S, Gavin TM, Lorenz MA, Meade KP, and Zindrick M: Orthotic Stabilization of Thoracolumbar Injuries. Presented at the Fourth Annual Meeting of the North American Spine Society, June 29-July 2, 1989, Quebec City, Canada. Blevens AD, Light TR, Jablonsky WS, and Patwardhan AG: Radiocarpal Articular Contact Characteristics with Scaphoid Instability. Presented at the 35th Annual Meeting of the Orthopaedic Research Society, February 6-9, 1989, Las Vegas, Nevada. Hitchcock TF, Candel AG, Light TR, Sartori MJ, and Patwardhan AG: The Effect of Different Repair Techniques on the Strength of Partial Flexor Tendon Lacerations
  25. 25. Over Time. Presented at the 35th Annual Meeting of the Orthopaedic Research Society, February 6-9, 1989, Las Vegas, Nevada. Patwardhan AG, Li S, Gavin TM, Meade KP, Lorenz M: Effect of Injury and Orthotic Support on the Stability of Spine. Presented at the Annual International Conference of the IEEE-EMBS, November 1988, New Orleans, LA. Patwardhan AG, Li S, Gavin TM, Meade KP, Lorenz M: A Biomechanical Study of Orthotic Stabilization in Nonoperative Treatment of Spinal Fractures. Presented at the 23rd Annual Meeting of the Scoliosis Research Society, September 1988, Baltimore, MD. Patwardhan AG, Dvonch V, Bunch WH, Gavin T, Meade KP, Vanderby R, Sartori M: Orthotic Stabilization of Idiopathic Scoliotic Curves- A Biomechanical Comparison of Low Profile and Milwaukee Braces. Presented at the 34th Annual Meeting, Orthopaedic Research Society, February 1-4, 1988, Atlanta, Georgia. Woo TS, Smith DG, Light TR, Patwardhan AG: Load Bearing Characteristics of the Normal Wrist and of the Wrist with Simulated Scaphoid Fracture. Presented at the 34th Annual Meeting, Orthopaedic Research Society, February 1-4, 1988, Atlanta, Georgia. Patwardhan AG, Dvonch V, Bunch WH, Gavin T, Meade KP, Vanderby R, Sartori M: Orthotic Stabilization of Idiopathic Scoliotic Curves- A Biomechanical Comparison of Low Profile and Milwaukee Braces. Presented at the 22nd Annual Meeting, Scoliosis Research Society, September 15-19, 1987, Vancouver, BC. Patwardhan AG, Dvonch V, Bunch WH, Gavin T, Meade KP, Vanderby R, Sartori M: Orthotic Stabilization of Idiopathic Scoliotic Curves- A Biomechanical Comparison of Low Profile and Milwaukee Braces. Presented at the ASME Winter Annual Meeting, December 1987, Boston, MA. Patwardhan AG, Dvonch V, Bunch WH, Gavin T, Meade KP, Vanderby R, Sartori M: A Biomechanical Comparison of Low-Profile and Milwaukee Braces in Orthotic Treatment for Idiopathic Scoliosis. Presented at the 1987 National Assembly, American Orthotic and Prosthetic Association, September 25-26, 1987, San Francisco, CA. Patwardhan AG, Dvonch V, Bunch WH, Gavin T, Sartori M, Meade KP, Vanderby R: Effect of Decompensation on Orthotic Treatment for Scoliosis. Presented at the ASME Biomechanics Symposium, June 15-17, 1987, Cincinnati, Ohio. Patwardhan AG, Dvonch V, Bunch WH, Vanderby R, Sartori M, Lorenz M, Meade K: Biomechanics of the Lumbar and Thoracic Pads in Orthotic Treatment for Idiopathic Scoliosis. Presented at the 33rd Annual Meeting, Orthopaedic Research Society, January 19-22, 1987, San Francisco, CA. Apel D, Patwardhan AG, Pinzur M, Dobozi W: Biomechanical Studies of Unstable Intertrochanteric Fractures of the Femur. Presented at the 33rd Annual Meeting, Orthopaedic Research Society, January 19-22, 1987, San Francisco, CA. Patwardhan AG, Dvonch V, Bunch WH, Vanderby R, Sartori M, Lorenz M, Meade K: Biomechanics of the Lumbar and Thoracic Pads in Orthotic Treatment for Idiopathic Scoliosis. Presented at the ASME Winter Annual Meeting, December 8- 10, 1986, Anaheim California. Vanderby R, Patwardhan AG, Bunch WH, Meade KP, Vahey JW: The Biomechanical Effects of Selective Fusion in Combined Thoracic and Lumbar Idiopathic Scoliosis. Presented at the ASME Winter Annual Meeting, December 8-10, 1986, Anaheim, California. Patwardhan AG, Dvonch V, Bunch WH, Vanderby R, Sartori M, Lorenz M, Meade K: Biomechanics of the Lumbar and Thoracic Pads. Presented at the21st Annual Meeting of the Scoliosis Research Society, September 22-25, 1986, Hamilton, Bermuda. Vanderby R, Patwardhan AG, Bunch WH, Meade KP, Vahey JW: Biomechanical Considerations in the Selection of Fusion Levels in Combined Thoracic and Lumbar Idiopathic Scoliosis. Presented at the21st Annual Meeting of the Scoliosis Research Society, September 22-25, 1986, Hamilton, Bermuda. Zindrick MR, Wiltse LL, Doornik A, Widell EH, Knight GW, Patwardhan AG, Thomas JC: Analysis of the Morphometric Characteristics of the Thoracolumbar Pedicles. Presented at the 21st Annual Meeting of the Scoliosis Research Society, September 22-25, 1986, Hamilton, Bermuda. Patwardhan AG, Lorenz M, Orenstein E, Schiffman K, Knight GW, Boscardin J, Hoyt J: A Biomechanical Study of Spina Bifida Occulta. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine. May 28- June 2, 1986, Dallas, Texas.
  26. 26. Zindrick MR, Patwardhan AG, Lorenz M: The Effect of Methylmethacrylate Augmentation Upon Pedicle Screw Fixation in the Spine. Presented at the Annual Meeting of the International Society for the Study of the Lumbar Spine. May 28- June 2, 1986, Dallas, Texas. Patwardhan AG, Lorenz M, Meade, KP, Knight GW: Mechanisms of Pars Fracture in the Fifth Lumbar Vertebra- Implications to the Etiology of Spondylolysis. Presented at the 32nd Annual Meeting of the Orthopaedic Research Society, February 17-20, 1985, New Orleans, Louisiana. Patwardhan AG, Lorenz M, Meade, KP, Knight GW: A Force Analysis of the Neural Arch of the Fifth Lumbar Vertebra- Implications to the Etiology of Spondylolysis. Presented at the 1985 American Society of Mechanical Engineers Winter Annual Meeting, Bioengineering Symposium, November 1985, Miami, Florida. Patwardhan AG, Lorenz M, Meade, KP, Knight, GW, Dvonch, V: Physiologic Mechanisms in the Etiology of Spondylolysis. Presented at the 38th Annual Conference on Engineering in Medicine and Biology, September 30-October 2, 1985, Chicago, Illinois. Patwardhan AG, Lorenz M, Meade KP, Knight GW, Dvonch V: Mechanisms of Pars Fracture in the Etiology of Spondylolysis. Presented at the 20th Annual Meeting of the Scoliosis Research Society, September 17-20, 1985, Coronado, California. Patwardhan AG, Bunch WH, Vanderby R, Meade KP, Knight GW: A Biomechanical Analysis of Spinal Fusion in Combined Thoracic and Lumbar Idiopathic Scoliosis. Presented at the 31st Annual Meeting of the Orthopaedic Research Society, January 21-24, 1985, Las Vegas, Nevada. Zindrick MR, Hopkins G, Knight GW, Hopkins C, Patwardhan AG, Bunch WH: The Effect of Lateral Talar Shift Upon the Biomechanics of the Ankle Joint. Presented at the 31st Annual Meeting of the Orthopaedic Research Society, January 21-24, 1985, Las Vegas, Nevada. Behr J, Pinzur M, Knight GW, Linnik W, Patwardhan AG: Gore-Tex Augmented Patellar Tendon Repairs in a Canine Model. Presented at the 31st Annual Meeting of the Orthopaedic Research Society, January 21-24, 1985, Las Vegas, Nevada. Zindrick MR, Hopkins G, Knight GW, Hopkins C, Patwardhan AG, Bunch WH: The Effects of Mal-Union Upon the Biomechanical Properties of the Ankle Joint. Presented at the 52nd Annual Meeting of the American Academy of Orthopaedic Surgeons, January 1985, Las Vegas, Nevada. Patwardhan AG, Orenstein E, Boscardin JB, Knight GW, Hoyt JS, Weisel HL, Lorenz M: Facet Loading in Spinal Segments with Spina Bifida: Implications to the Etiology of Spondylolysis. Presented at the 19th Annual Meeting of the Scoliosis Research Society, September 19-22, 1984, Orlando, Florida. Meade KP, Bunch WH, Vanderby R, Patwardhan AG, Knight GW: Progression of Unsupported Curves in Adolescent Idiopathic Scoliosis. Presented at the 19th Annual Meeting of the Scoliosis Research Society, September 19-22, 1984, Orlando, Florida. Patwardhan AG, Bunch WH, Vanderby R, Meade KP, Knight GW: Selection of Fusion Levels in Combined Thoracic and Lumbar Idiopathic Scoliosis- A Biomechanical Analysis. Presented at the 19th Annual Meeting of the Scoliosis Research Society, September 19-22, 1984, Orlando, Florida. Orenstein E, Patwardhan AG, Knight GW, Gross M, Gogan WJ, Boscardin JB: A Biomechanical Study of the Effect of Chymopapain Injection, Laminectomy and Discectomy on Load Bearing Characteristics of Lumbar Facets. Presented at the 30th Annual Meeting of the Orthopaedic Research Society, February 1984, Atlanta, Georgia. Gogan WJ, Knight GW, Patwardhan AG, Plioplys A, Vanderby R: A Three-Dimensional Morphological Study of the Thoracic Spine Facets. Presented at the 30th Annual Meeting of the Orthopaedic Research Society, February 1984, Atlanta, Georgia. Zindrick MR, Knight GW, Gogan WJ, Patwardhan AG, Vanderby R, Hoyt JS: The Effect of Fibular Shortening and Rotation on the Biomechanics of the Talocrural Joint During Various Stages of Stance Phase. Presented at the 30th Annual Meeting of the Orthopaedic Research Society, February 1984, Atlanta, Georgia. Gogan WJ, Knight GW, Patwardhan AG, Plioplys A, Vanderby R: Three-Dimensional Orientation of Thoracic Spine Facets. Presented at the American Society of Mechanical Engineers Winter Annual Meeting, November 1983, Boston, Massachusetts. Bunch WH, Patwardhan AG, Vanderby R, Knight GW: Stability of Scoliotic Spines. Presented at the 18th Annual Meeting of the Scoliosis Research Society,
  27. 27. September 28-October 1, 1983, New Orleans, Louisiana. Patwardhan AG, Bunch WH, Vanderby R, Knight GW: Adding-On in Paralytic Scoliosis. Presented at the 18th Annual Meeting of the Scoliosis Research Society, September 28-October 1, 1983, New Orleans, Louisiana. Bunch WH, Patwardhan AG, Vanderby R: Influence of Curvature on the Effectiveness of the Milwaukee Brace. Presented at the IV th World Congress of the International Society for Prosthetics and Orthotics, September 5-9, 1983, London. Daniele M, Vanderby R, Patwardhan AG: An Interactive Algorithm to Identify In Vivo Segmental Stiffness Properties for a Three-Dimensional Spine Model. Presented at the IX International Congress of Biomechanics, August 1983, Waterloo, Ontario, Canada. Patwardhan AG, Vanderby R, Bunch WH: A Mathematical Analog of Spine-Orthosis Systems. Presented at the IX International Congress of Biomechanics, August 1983, Waterloo, Ontario, Canada. Knight GW, Patwardhan AG, Zindrick MR, Gogan WJ, Vanderby R: The Effects of Fibular Shortening on the Biomechanics of the Ankle Joint. Presented at the Sixth Annual Conference on Rehabilitation Engineering, June 1983, San Diego, California. Vanderby R, Patwardhan AG: A Computer-Aided Design Approach for Optimal Design of a Wheelchair Frame- A Preliminary Report. Presented at the Sixth Annual Conference on Rehabilitation Engineering, June 1983, San Diego, California. Knight GW, Patwardhan AG, Zindrick MR, Gogan WJ: A Biomechanical Study of Fibular Malunion. Presented at the 1983 Biomechanics Symposium, American Society of Mechanical Engineers, June 1983, Houston, Texas. Lorenz M, Patwardhan AG, Vanderby R, Keagy R: Congenital Absence of Lumbar Articular Facets- A Biomechanical Study. Presented at the 29th Annual Meeting of the Orthopaedic Research Society, March 1983, Anaheim, California. Chmell S, Patwardhan AG, Vanderby R, Light TR: Three-Dimensional Orientation of Articular Facet Surfaces of the Lower Cervical Spine. Presented at the 29th Annual Meeting of the Orthopaedic Research Society, March 1983, Anaheim, California. Patwardhan AG, Vanderby R, Lorenz M: Load Bearing Characteristics of Lumbar Facets in Axial Compression. Presented at the ASME Winter Annual Meeting, November 1982, Phoenix, Arizona. Patwardhan AG, Vanderby R, Kynast L, DiMonte P, Robinson C, Trimble J: A Novel Orthotic Device for Head-Neck Tremors in a Patient with Cerebellar Dysfunction. Presented at the Fifth Annual Conference on Rehabilitation Engineering, August 22-26, 1982, Houston, Texas. Lorenz M, Patwardhan AG, Vanderby R: Load Bearing Characteristics of Lumbar Facets with Implications to Low Back Pain. Presented at the Fifth Annual Conference on Rehabilitation Engineering, August 22-26, 1982, Houston, Texas. Lorenz M, Patwardhan AG, Vanderby R: Load Bearing Characteristics of Lumbar Facets in Normal and Surgically Altered Spinal Segments. Presented at the Ninth Annual Meeting of the International Society for the Study of the Lumbar Spine, June 1982, Toronto, Ontario, Canada. Patwardhan AG, Soni AH, Sullivan JA, Gudavalli MR: Axode Analysis of Lumbar Spine Motion Segments. Presented at the Seventh Applied Mechanisms Conference, December 7-9, 1981, Kansas City, Missouri. Patwardhan AG, Vanderby R: A Three-Dimensional Large-Displacement Continuum Model of the Human Spine. Presented at the American Society of Mechanical Engineers Winter Annual Meeting, November 1981, Washington D.C. Patwardhan AG, Bunch WH, Soni AH, Sullivan JA: The Effect of Spinal Fusion on Biomechanics of Adjacent Segments- A Preliminary Report. Presented at the 16th Annual Meeting of the Scoliosis Research Society, September 16-18, 1981, Montreal, Quebec, Canada. Patwardhan AG: An Instrumented Linkage Transducer for Precise Measurement of Vertebral Motion. Presented at the 16th Annual Meeting of the Scoliosis Research Society, September 16-18, 1981, Montreal, Quebec, Canada. Patwardhan AG: Describing Vertebral Motion Using Analytical Ruled Surfaces and Their Mechanical Analogs. Presented at the Ninth Northeast Conference on Bioengineering, March 19-20, 1981, Rutgers University, New Brunswick, New Jersey. Patwardhan AG, Soni AH, Sullivan JA: A General Method to Locate a Body in
  28. 28. Three-Dimensional Space Using X-Ray Exposures in Two Oblique Planes. Presented at the Sixth Applied Mechanisms Conference, October 11-13, 1979, Denver, Colorado. Patwardhan AG, Soni AH: Signature Analysis of Vertebral Motion Data in Discrete Form. Presented at the 31st Annual Conference on Engineering in Medicine and Biology, October 21-25, 1978, Atlanta, Georgia. Patwardhan AG, Soni AH: A Two-Stage Graphical Solution for Rigid Body Guidance with Watt's Six-Link Mechanism. Presented at the Fifth Applied Mechanisms Conference, November 6-9, 1977, Oklahoma City, Oklahoma. Invited Seminars: ìResponse of the Human Spine Under a Follower Load- A New Concept of In Vivo Spinal Stabilityî Department of Neurological Surgery, Loyola University Medical Center, November 1999 ìBiomechanics of Implants and Orthoses for Thoracolumbar Injuriesî Annual Meeting of the American Academy of Orthotists and Prosthetists, March 1999, New Orleans, LA. ìTopics in Spine Biomechanics Researchî University of Alberta, Edmonton, Alberta, April 1998 ìA Follower Load Increases the Load Carrying Capacity of the Lumbar Spine in Axial Compression- Implications to Muscle Coactivation and Stabilityî Institute for Spine & Biomedical Research Weekly Conference Plano, Texas, November 14, 1997 ìBiomechanics of Orthotic Treatment for Spinal Disordersî Prosthetic/Spinal Cord Injury Clinical Practices in a Changing Environment, Course No. 97.SC.VP, Las Vegas, Nevada, July 22-24, 1997 "Biomechanics of Bone" Research Seminar, Department of Microbiology and Immunology, The Chicago Medical School, December 10, 1996 "Effect of Spinal Fusion on Adjacent Segments" Monthly Orthopaedic Research Conference, Rush Presbyterian-St. Luke's Medical Center Chicago, Illinois, October 30, 1996 "Orthotic Stabilization of Thoracolumbar Spine- Biomechanical Perspective" External Bracing Study Group Meeting, Sponsored by AcroMed Corporation Key Biscayne, Florida, October 12, 1996 "Lumbar Instability- A Biomechanical Perspective" Distraction Manipulation Certification Course, Sponsored by the National College of Chiropractic, Oak Brook, IL, June 7, 1996 "Lumbar Instability- A Biomechanical Perspective" Research Seminar, National College of Chiropractic, Lombard, IL, February 28, 1996 "The Post-Operative Spinal Orthosis: A Biomechanician's View of the Controversy" American Academy of Orthotists and Prosthetists, Continuing Education Conference 4-95, Hartford, CT, August 18-19, 1995 "Biomechanics of Thoracolumbar Injury" Neurological Surgery and Orthopaedic Surgery- Spine Conference, March 1994 "Stabilization of Thoracolumbar Injuries- A Biomechanical Perspective" University of Chicago, Department of Orthopaedics, Grand Rounds, August 1993 "Stabilization of Thoracolumbar Injuries- A Biomechanical Perspective"
  29. 29. University of Illinois at Chicago, Department of Neurosurgery, Grand Rounds, June 1993 "Biomechanics of Implants for Thoracolumbar Injuries" University of Illinois at Chicago, Department of Neurosurgery, Regional Grand Rounds, July 1993 "Is Finite Element Modeling Too Complex to be of Clinical Value?" Invited debator, International Symposium on 3-D Scoliotic Deformities, June 1992, Montreal, Quebec, Canada. "Spinal Orthoses-Biomechanical Aspects" Prosthetics and Orthotics Lecture Series for PM&R Residents VA Hines Hospital, Hines, IL, February, 1992 "Measurement of Joint Pressures Using Fuji Pressure-Sensitive Film Technique" Symposium on the Biomechanics of the Wrist Joint, Mayo Clinic, October 1990 "Orthotic Stabilization of Thoracolumbar Injuries" Conservative Management of Low Back Dysfunction: Update 1990, Sponsored by Baxter Physical Therapy Division, Oak Brook, IL, April 5-7, 1990 "Stabilization of Thoracolumbar Injuries" Graduate Seminar Series, Department of Biomedical Engineering University of Iowa, Iowa City, March 1990 "Orthotic and Surgical Stabilization of Thoracolumbar Injuries" First Annual Harold A. Sofield Lectureship, Shriners Hospital, Chicago, November 1989 "Instrumentation Systems in Bioengineering- Measurement of Motion and Contact Loads" Bioengineering Colloquium, University of Illinois at Chicago, October 1989 "Effect of Hyperextension Orthoses on Thoracolumbar Injuries" Spring Scientific Seminar, American Academy of Orthotists and Prosthetists- Midwest Chapter, Lincolnshire, Illinois, April 1989 "Spinal Orthoses: Biomechanical Principles and Clinical Considerations" Prosthetics & Orthotics Rehabilitation Course, Hines V.A. Hospital, December 1988 "Orthotic Stabilization of Thoracolumbar Injuries" Bioengineering Colloquium, University of Illinois at Chicago, November 1988 "Biomechanics of Curve Progression and Orthotic Stabilization in Scoliosis" Department of Mechanical and Industrial Engineering, University of Cincinnati February 1988 "Treatment of Thoracic and Lumbar Fractures of the Spine- A Biomechanical Perspective" Fall Scientific Seminar, American Academy of Orthotists and Prosthetists- Midwest Chapter, Chicago, Illinois, November 1987 "Biomechanics of Orthotic Treatment for Scoliosis" University of Chicago, August 1987 "A Biomechanical Comparison of the Milwaukee and Low-Profile Braces for Scoliosis Treatment", American Academy of Orthotist and Prosthetists, Midwest Chapter Indianapolis, Indiana, June 1987
  30. 30. "Biomechanical Principles of Orthotic Treatment for Scoliosis" American Academy of Orthotists and Prosthetists, Midwest Chapter Fall Scientific Seminar, Chicago, IL, November 1986 "Fundamental Principles of Biomechanics" Course on Fundamentals of Selected Physical Principles Essential to Physical Medicine Sponsored by the Illinois Society of PM&R, 1981, 1984, 1986, 1991 "Biomechanics of the Spine and Low Back Pain" Northwestern University, May 1984 Curriculum Vitae- Avinash Patwardhan, Ph.D. Page # ################################################################################ ################################################################################ ################################################################################ ################################################################################ ########################################################################4###°### ¢###Õ###‘###¦###Þ###þ###Ù#######‘#######k###ü#######.###Ö###ó###Ê###Ú###Ù####### ¹ ##Ð ##ô"##æ"##Ë"######ó###¥###Q$##R$##‘$##Ð$##&%##N%##‘ %##*&##‘&##‘&###0###0###0##:0##ã0##‘0##ø0###1##Q1##h1##w1##‘1##µ1##‘1##‘1###2##Y 2##p2##‘2##â2##¦2###3##p3##z3##±3##×3##~5##ï5##f6##}6##/7##Q7## %8##<8##Ó9##¸9##¹:##‘‘‘Ï‘ýϑϑ²‘²‘²‘²‘#‘²‘²‘²‘²‘Õ‘Õ‘²‘Õ‘Õ‘Õ‘Õ‘‘‘²‘²‘‘‘Õ‘‘‘‘‘‘‘Õ‘ ‘‘‘‘‘‘²‘Õ‘Õ‘Õ‘Õ‘Õ‘##
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