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Biomechanical OTA
phys rehab test on arthritis, hip, amputation, etc.
| Question | Answer |
|---|---|
| How fast do nerves regenerate? | 1/2 to 1 inch per month |
| Which lesions regenerate faster: proximal or distal? | proximal |
| Why do distal nerve injuries have a better prognosis? | shorter distance to regenerate |
| Signs of nerve regeneration include: | increase in AROM, strength, muscle tone, sensation, sweating; and improved color & texture of skin; improved voluntary muscle function |
| What is Tinel's sign? | test of nerve regeneration |
| What is Phalen's Test? | test of median nerve compression |
| What movement is lost in radial nerve injury? | wrist and hand flexion |
| What sensation is lost in radial nerve injury? | dorsum/forearm, hand |
| What deformity may be present in radial nerve injury? | wrist drop |
| Where is atrophy seen in radial nerve injury? | forearm |
| What is the treatment for a radial nerve injury? | splint: dynamic wrist extension and MP extension |
| What movement is lost in a median nerve injury? | wrist and hand flexion, plus thumb opposition |
| Where is sensation lost in a median nerve injury? | thumb side of hand |
| What deformity is associated with a median nerve injury? | ape hand |
| Where is atrophy found in a median nerve injury? | thenar eminence |
| What is the treatment for a median nerve injury? | splint: thumb opposition |
| What movement is lost in an ulnar nerve injury? | little and ring finger flexion; opposition and finger abduction |
| Where is sensation lost in an ulnar nerve injury? | ulnar side of hand |
| What deformity is associated with an ulnar nerve injury? | claw hand |
| Where is atrophy found in an ulnar nerve injury? | interosseus of hand |
| What is treatment for ulnar nerve injury? | Splint: MP hyperextension blocking |
| What OT treatment is done for PNI during the acute stage? | protective stretching (in splint), correcgt contractures, scar remodeling, splint, sensory compensation, adaptive equipment for ADLs, edema reduction |
| What two things are done during the acute stage of PNI to correct contractures? | AROM, dynamic splint with light stretch |
| What is Volkmann's Contracture? | hand/wrist disorder with severe ischemia of brachial artery; median and ulnar nerve affected |
| What are causes of severe ischemia of brachial artery in Volkmann's Contracture? | elbow fracture of lower end of humerus; results in edema, brachial artery spasm; often caused by tight casts |
| What is OT treatment for Volkmann's Contracture? | Treat ulnar and median nerve injuries; AROM - forearm, wrist, hand, elbow extension |
| What are the 5 P's of Volkmann's Contracture? | pain, pallor, pulselessness (in swollen arm), paresthesias, paralysis |
| What is another name for Reflex sympathetic dystrophy (RSD)? | complex regional pain syndrome |
| What is frozen shoulder/adhesive capsulitis shoulder hand syndrome? | RSD or complex regional pain syndrome |
| What does RSD stand for? | reflex sympathetic dystrophy |
Created by:
ota2012
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