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Applied Biomechanics – a multifaceted approach to answering human movement questions with objective data

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Experts review the basic principles of biomechanics and how the study of human movement has evolved over time. Presenters highlight examples in applied kinematics, applied kinetics and applied neuromuscular/motor control and demonstrate how methodologies vary depending on the field of study or area of expertise.

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Applied Biomechanics – a multifaceted approach to answering human movement questions with objective data

  1. 1. Applied Biomechanics – a multifaceted approach to answering human movement questions with objective data Hosted By: Sponsored By: Session 1: Experts review the basic principles of biomechanics and how the study of human movement has evolved over time. Presenters highlight examples in applied kinematics, applied kinetics and applied neuromuscular/motor control and demonstrate how methodologies vary depending on the field of study or area of expertise.
  2. 2. InsideScientific is an online educational environment designed for life science researchers. Our goal is to aid in the sharing and distribution of scientific information regarding innovative technologies, protocols, research tools and laboratory services. JOIN FOR FREE AT WWW.INSIDESCIENTIFIC.COM
  3. 3. John Cockroft, PhD Managing Staff Scientist, Central Analytical Facilities Stellenbosch University Coleman Bessert Applied Biomechanist NORAXON USA Applied Biomechanics – a multifaceted approach to answering human movement questions with objective data Hosted By: Sponsored By:
  4. 4. J o h n C o c k c r o f t , P h D C o l e m a n B e s s e r t , M . S c . © 2 0 1 6 N O R A X O N U S A , A l l r i g h t s r e s e r v e d . H o s t e d b y I n s i d e S c i e n t i f i c w i t h p e r m i s s i o n .
  5. 5. Mission, to be a catalyst for the scaling and use of biomechanics from the research environments to the applied science world of clinicians, specialists, and sports scientists. From my experience, these clinicians are searching for objective ways to assess and monitor their patients/athletes, which I believe biomechanics is the solution. Coleman Bessert
  6. 6. Mission: to contribute towards the advancement of evidence- based healthcare services in Africa through the development of world-class research facilities, professional expertise and student training curricula. John Cockcroft
  7. 7. Biomechanics: the study of the structure and function of biological systems using the principles of mechanics. TODAY’S FOCUS: Human musculoskeletal biomechanics: the study of the structure and function of the human musculoskeletal system during functional movement.
  8. 8. Electromyography (EMG): Recording of the electrical activity produced by skeletal muscles. TODAY’S FOCUS: Kinesiological EMG: the recording of electrical activity produced by skeletal muscles during movement. Surface EMG: the recording of electrical activity using electrodes mounted on the skin surface.
  9. 9. From philosophers To cutting edge technology Aristotle, “Father of Kinesiology” ~400 B.C. Galen, “Father of Sports Medicine” ~200 A.D. WHAT WERE THE MAJOR ADVANCEMENTS THAT FOLLOWED?
  10. 10. New discoveries about the human body - Systematic dissection of human cadavers - Establishment of anatomy as a discipline Development of mathematical disciplines - Analytical geometry - Newtonian mechanics
  11. 11. Sensor Technologies Computing Solutions Electro-mechanical devices for measuring: - Time - Position - Force - Bio-electrics Computers used for performing: - Reliable data storage - Automatic analysis - Real-time data visualizations
  12. 12. Portable Sensing and Computing Mobile Integrated Solutions Application-Rich Solutions - Untethered - Unobtrusive - Easy to use
  13. 13. Movement Human Movement Theory Question Experiment Analysis Visual Observation Insight
  14. 14. Female Athlete. Elite level female soccer player about to start an off- season training program. Risk of Injury. The performance staff wants to understand which athletes are at risk of injury if they participate in off-season program. Count-Movement Vertical Jump. Replicates the eccentric and concentric loads an athlete endures during a change of direction task.
  15. 15. Measurement & ModellingData Movement Human Movement Theory Question Insight Analysis Experiment Visual Observation (video) Measurement Data Measured (external) Segment kinematics Modelled (internal) Skeletal kinematics Visual Observation
  16. 16. Flexion, 5.4 degrees asym. more on right. (131.5 / 136.9) Abduction, 12.9 degrees more on right. (6.4 / 19.3) Rotation(out), 18 degrees more on left. (12.5 / -5.5) Dorsi Flexion, 2.5 degrees asym. more on right. (30/32.5 ) Inversion, 3 degrees more on left. (16.7 /13.7)
  17. 17. Flexion, 5.4 degrees asym. more on right. (131.5 / 136.9) Abduction, 12.9 degrees more on right. (6.4 / 19.3) Rotation(out), 18 degrees more on left. (12.5 / -5.5) Dorsi Flexion, 2.5 degrees asym. more on right. (30/32.5 ) Inversion, 3 degrees more on left. (16.7 /13.7)
  18. 18. Movement Human Movement Theory Question Insight Analysis Experiment Cause Forces Measured (external) Segment kinetics Modelled (internal) Skeletal kinetics Measurement & ModellingData Visual Observation (video) Modelled (internal) Skeletal kinematics Measured (external) Segment kinematics Modelled (internal) Skeletal kinetics
  19. 19. LEFT - - 546 N /1323 N 2575 N/s RIGHT - - 522 N / 1246 N 2053 N/s RATIO 2.6 2.2 1.05/1.06 1.25 KAI Eccentric KAI Concentric Loading / Landing PF Rate of Force Development
  20. 20. Movement Human Movement Theory Question Insight Analysis Experiment Measurement Data Measurement & ModellingData Cause Forces Mechanics Cause Biology Neuromuscular Activity Measured (external) Muscle excitation Modelled (internal) Muscle forces Visual Observation (video) Modelled (internal) Skeletal kinetics Modelled (internal) Skeletal kinematics Measured (external) Segment kinetics Measured (external) Segment kinematics Modelled (internal) Muscle forces
  21. 21. Activation Level 122.4% 55% 2.23 Quad (VMO) Hamstring (Sem) Ratio Muscle Group
  22. 22. Model input Movement Human Movement Theory Question Insight Analysis Experiment Cause Forces Mechanics Cause Biology Neuromuscular Activity Biomechanics Measurement & ModellingData Visual Observation (video) Modelled (internal) Skeletal kinetics Measured (external) Segment kinematics Modelled (internal) Skeletal kinematics Measured (external) Segment kinetics Measured (external) Muscle excitation Modelled (internal) Muscle forces Fundamental Knowledge Integrative Perspective Sensor Solutions Computing Solutions R & D R & D R & D
  23. 23. Mobile EMG 3D Motion Capture Video Capture Pressure and Force LEARN MORE AT WWW.NORAXON.COM
  24. 24. F r o m P r e v e n t i o n T o R e c o v e r y
  25. 25. A Snapshot. One to many tests that provide insight into an individual’s compensations and restrictions. Injury Prevention or Rehab. The continual re-assessment to track progress and intervention impact. Training Tool. Leveraging visual, auditory, and tactile senses to increase the rate of recovery. Outcome Data. Measure the outcome of the rehab or training effect on the athlete in an uncontrolled chaotic environment.
  26. 26. Forces. Ability to express, control, and stabilize external load on the body. Motion. Joint mobility and stability during static and dynamic movements. Neuromuscular Activation. Muscular effort, coordination, and symmetry.
  27. 27. Baseline, allowing for practitioner's to rapidly gain insight into key athletic qualities and capabilities.
  28. 28. Confirming your Intuition. Subjective assessments are only as good as the practitioner. Objective data can be used to standardize and remove intra- and inter-tester variability.
  29. 29. Forces. Center of Pressure, Tibial Shock. Motion. Stability– Hip Drop, Hip and Knee Adduction. Mobility – Hip and Knee Rotation. Neuromuscular Activation. Prime Mover Activation Levels Core Activation and Fatigue
  30. 30. Subconscious improvement, returning accurate information real-time to the user. Allowing the user to interact with and understand the internal control systems.
  31. 31. Consistent, meaningful tracking. Collecting data to understand adaptation and improve prescription.
  32. 32. Stay in the moment. Push your limits and be able to analyze every aspect of your performance.
  33. 33. InsideScientific is an online educational environment designed for life science researchers. Our goal is to aid in the sharing and distribution of scientific information regarding innovative technologies, protocols, research tools and laboratory services. JOIN FOR FREE AT WWW.INSIDESCIENTIFIC.COM

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