This document discusses different types of traction used in medicine. Traction is used to stretch tissues and separate bony structures. It can be applied to the cervical or lumbar spine through mechanical pulley systems. Traction provides benefits like pain relief and increased mobility by enlarging intervertebral spaces and stretching muscles. It is commonly used for neck/arm pain and low back pain from nerve root compression. Proper technique and forces are important to benefit patients and avoid complications.
mobility aids are really helpful for those who have problems in moving around independently. There are many kinds of mobility aids eg canes, crutches,wheelchair.It can be beneficial for those people who are affected by certain types of conditions like: cerebral palsy,developmental disabilities,arthritis.
mobility aids are really helpful for those who have problems in moving around independently. There are many kinds of mobility aids eg canes, crutches,wheelchair.It can be beneficial for those people who are affected by certain types of conditions like: cerebral palsy,developmental disabilities,arthritis.
As a general term, traction means pulling on part of the body.
Most often, traction uses mechanical force (sometimes generated by weights and pulleys) to put tension on a displaced bone or joint, such as a dislocated shoulder, to put it back in position and keep it still. In the medical field, traction refers to the practice of slowly and gently pulling on a fractured or dislocated body part. It’s often done using ropes, pulleys, and weights. These tools help apply force to the tissues surrounding the damaged area.
Traction is a physical force which brings about separation of the joint through the bone along its long axis. This can be done manually or mechanically and provides several beneficial effects.
As a general term, traction means pulling on part of the body.
Most often, traction uses mechanical force (sometimes generated by weights and pulleys) to put tension on a displaced bone or joint, such as a dislocated shoulder, to put it back in position and keep it still. In the medical field, traction refers to the practice of slowly and gently pulling on a fractured or dislocated body part. It’s often done using ropes, pulleys, and weights. These tools help apply force to the tissues surrounding the damaged area.
Traction is a physical force which brings about separation of the joint through the bone along its long axis. This can be done manually or mechanically and provides several beneficial effects.
Traction: a basic physiotherapy modality used for inducing space between the joints. this slideshow deals with various types of traction and its application to cervical, thoracic and lumbar spine.
How to use Muscle Energy Techniques.pptxSyedaMunazza2
this PPT describes the fundamental principles of Muscle Energy Techniques used in physical rehabilitation of individuals with spasms, contractures, hypotonicity and weakness. Physiotherapy an do wonders when applied corretly.
Traction is static in position that provides a form of immobilization. Traction can be continuous and intermittent. Continuous traction is maintained all time for example, traction on an unrepaired fracture.
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Stay informed, stay safe, and get your flu shot today!
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Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
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MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
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Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
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Traction (cervical pelvic)
1. Dr Manoj Kumar,Dr Manoj Kumar,
Junior Resident, Rehab. Dept., PMCH, PatnaJunior Resident, Rehab. Dept., PMCH, Patna
Dr. Ajit kumar VarmaDr. Ajit kumar Varma
MS, DNB (Rehabilitation)MS, DNB (Rehabilitation)
Patna Medical College
Traction
2. Traction
• Traction is act of drawing / pulling a force which is
used to stretch soft tissues and to separate joint surfaces
or bony fragmentation.
• In medicine, forces are applied to the body generally
to stretch a given part or separate two or more
parts.
3. Purpose
• Goal is to obtain pain relieve and functional
improvement.
• Involves applying a force of sufficient magnitude and
duration in proper direction while simultaneously
registering movement by an equal and opposite force
with proper positioning of the patient and correct angle
of pull traction is to localize to a specific spinal area.
4. Trial of traction
• The force is generally applied through a mechanical
pulley system with weights and establishing either with
a chin strap for the cervical spine for or a pelvic belt for
the lumber spine.
• Irritation or compression of nerve roots whether related
to Trauma the generative process, or compression from
the disc can be benefitted from a trial of traction.
6. Effects of tractive force
• Most often used for neck / arm pain secondary to
cervical nerve root compromise or radiculopathy and
low backache from radiculopathy.
• Specific clinical indications for tractions are
controversial but the anatomical basis for the use of
traction is well established.
7. Anatomical Basis
• Enlarge intervertebral foramina.
• Separate apophyseal joints.
• Stretch muscles and ligaments
• Tighten the Posterior L Ligament to exert centripetal
force on the adjacent annulus fibrosus.
• Enlarge the intervertebral spaces.
8. Salient points
• Theoretically traction may be indicated for any
condition that could benefit from anatomical changes.
• Traction can be manual, mechanized or motorized. Pull
can be continuous sustained, intermittent and can
vary, based on magnitude, duration and direction of
pool.
9. Counter traction
• All the types of treatment must over come the body
resistance to traction which is equal to half of the
weight of the body segment plus resistance of the
involve soft tissue.
• Gravity can be used either to assist or resist the pooling
force .
10. Continuous Traction
• Low force over a long period of time: i.e. 22-40 hours.
• Often used in Spinal traction mostly to assure that the
person remains at rest.
• Sustained traction uses force greater than that used in
continuous traction but less than intermittent.
• It is common practice to treat In- patients daily /
Out patients three time per week.
11. Intermittent traction
• Allows use of greater forces but a shorter period of time.
• The force is gradually increased during each treatment
cycle and best administered by motorized system.
• Pre programm treatment: Time sequence can vary from
7 to 10 seconds of tractive force with 5 second rest, up
to 30 - 60 seconds of traction force followed by 10 to
15 seconds of rest. ( Total Duration 15 minutes only )
12. Intermittent Traction
• On - off cycle is repeated for 15 to 25 minutes. Used in
cervical region to allow use of progressively higher
forces up to 50 pounds which increases vertebral
separation.
13. Cervical Traction
• Posterior vertebral separation is related to angle of pull
with a maximum separation occurring between 20 to 300
cervical flexion.
• The most common reason to fail or to exacerbate
symptoms is applying the force in extension.
14. Cervical Traction
• At least 10 lbs. of force is necessary to counter the
effects of gravity of the head, while 25 lbs. of force is
necessary to provide strengthening of the cervical
lordotic curve and the earliest separation of posterior
vertebral segments .
15. Cervical Traction contd.
• The maximum separation occurs anteriorly at C4 to C5
after 25 minutes and posteriorly at C6 to C7 after 20
minutes.
• The distraction effect is short lived.
• When the patient is noted to be benefitting from the
cervical traction, it can be performed with a home over
the door unit as long as the correct angle for pool is
maintained.
16. Cervical Traction contd.
• Facing the door.
• Patient using traction at home
should never be alone as some one
might need to assist them
19. Limitations
• Discontinue - If Nausea, dizziness, increased
pain
in soft tissues of neck.
• Cervical region: Midline disc herniation is
contraindication - since traction
could pull the cord in to
contact with the disc.
20. Limitation …. contd.
• Use with caution.
• Patients with history suggestive of Vertebrobasilar
Insufficiency
• Patients with RA and other connective tissue disorders:
High risk for Atlanto-axial insufficiency. Dislocation
and sudden death may occur
21. Lumbar traction
• Requires significantly larges forces than
cervical traction to overcome the body
resistance.
• Pelvic belts or use of gravity by tilting are
necessary to obtain sufficient tractive force to
lumbar spine.
23. Lumbar Traction
• Due to the large amount of weight necessary to over
come the bodies resistance in the area, either a thoracic
of chest belt or corset is necessary to hold the upper
body in place during the traction of lower body.
25. Lumbar traction … contd.
• Split traction tables have a stationery half and a mobile
half unit.
• Lower body rests on the mobile half which separates it
from the stationery portion.
• This arrangements allows vertebral separation with
less force at the level were the table is separating.
• Force necessary to overcome surface resistance is
reduced. Treatment can be provided with as little as 80
pounds to 180 pounds