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Transverse carpal ligament

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The transverse carpal ligament is the flexible, slightly elastic cord that lies on top of the carpal tunnel at the wrist. This ligament connects the bones to each other where the wrist and palm meet.

The transverse carpal ligament may be cut during surgery for carpal tunnel syndrome. Cutting the ligament helps relieve the pressure on the median nerve, which runs through the carpal tunnel. (Pressure on the median nerve results in the symptoms of carpal tunnel syndrome. These include tingling, numbness, weakness, or pain in the fingers, hand, or lower arm.)

The Health Encyclopedia contains general health information. Not all treatments or services described are covered benefits for Kaiser Permanente members or offered as services by Kaiser Permanente. For a list of covered benefits, please refer to your Evidence of Coverage or Summary Plan Description. For recommended treatments, please consult with your health care provider.