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What is Median nerve injury at the wrist causes- and explain in detail?
In median nerve injury at wrist, low median nerve injury is what occurs. That means only the thenar muscles are affected. The features shown in this condition includes- pen test for abductor pollicis brevis paralysis, opposition and abduction of thumb is lost, ape thumb deformity may be shown and loss of sensation of lateral 2/3rd of palm and lateral three and half fingers may be seen.