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J Korean Assoc EMG Electrodiagn Med 2003;5(2):115-120.
Published online May 10, 2003.
Partial Median Nerve Injury following Bowling that Resembles Anterior Interosseous Nerve Syndrome
Abstract
We report a partial median nerve injury following bowling that resembles clinically anterior interosseous nerve syndrome. A simple clinical test , pinch test, and the electro-diagnostic study are performed for the diagnosis. The patient was unable to flex the distal phalanges of right thumb and index finger. And there was also weakness in the pronation of the right forearm, especially with elbow flexed. No specific sensory change was noted. Needle electromyographic study revealed fibrillation potentials and positive sharp waves in the muscles innervated by the anterior interosseous branch of median nerve( the flexor pollicis longus, the flexor digitorum profundus, and pronator quadratus) and other more proximal median nerve innervated muscles(the pronator teres, flexor carpi radialis, and flexor digitorum sublimis). We discussed the lesion of the partial median nerve injury, along with topographical localization of funiculi and concluded that lesion is probably located in between 7/8 of forearm and supracondylar level, especially posterior portion of the nerve trunk. Key Words: Median nerve, Anterior Interosseous nerve Syndrome, Topographical localization of funiculi
Key Words: Median nerve, Anterior Interosseous nerve Syndrome, Topographical localization of funiculi


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