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this video describes nerve injury ,injuries,, damag palsy including radial and ulnar nerve also carpal ,cubital and tarsal tunnel syndrome.The nerves of the body originate from the spine providing motor power to the muscles and sensory function. Injury to the long thoracic nerve will cause medial winging of the scapula. A lesion or damage to the axillary nerve occurs due to dislocation of the shoulder resulting in weakness of abduction of the shoulder due to paralysis of the deltoid with decreased sensation over the the deltoid region. A patient with anterior interosseous nerve injury cannot do the OK sign. Posterior interosseous nerve injury prevents extension of the finger however the patient can still extend the wrist. This injury is seen in montaggia fractures. Patients with radial nerve palsy will have wrist drop. This injury occurs in the distal third of humeral fractures. tendon transfer may be needed Patients with median nerve compresion will have numbness in the lateral three digits with positive phalen's and tinel tests and thenar atrophy and usually complaining of numbness and tingling at night. Ulnar nerve injury or entrapment as in cubital tunnel syndrome shows positive froment's test with numbness and tingling in medial one and a half fingers. Clawing of the hand occurs in low ulnar nerve injury. Patients will need release or transposition of the ulnar nerve to relieve impingement. The femoral nerve supplies the quadriceps muscle that extends the knee. The ...