Symptoms from adhesions between lumbrical and interosseous muscles at the m
etacarpophalangeal joint have been described. We report a case in which sym
ptoms were secondary to a tear in an anomalous lumbrical muscle of the ring
finger. (J Hand Surg 1999;24A:1078-1082. Copyright (C) 1999 by the America
n Society for Surgery of the Hand.).