Carpal Tunnel Syndrome Information

Carpal Tunnel Anatomy

Ulnar Nerve
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The intra-operative appearance of an ulnar nerve is shown below. The nerve can be compressed repeatedly at the level of the medial epicondyle of the elbow. The nerve lies in a superficial location alone the inside ( medial) aspect of the elbow. The nerve can be compressed when a patient places pressure on the nerve while leaning on a chair's armrest or table top. Also the nerve can be stretched excessively when using the telephone with the elbow bent or flexed for too long of a period of time. If pain and/ or numbness occur especially along the ulnar side of the hand, evaluation is indicated by a physician. Weakness especially if associated with atrophy of the hand intrinsic muscles should be evaluated as well. Often EMG and NCS tests are indicated and a referral to a neurosurgeon or specialist in peripheral nerve disorders.