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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 |