Affiliation:
1. Palo Alto Medical Clinic, 300 Homer Avenue, Palo Alto, California 94301, U.S.A.
2. Palo Alto, California
Abstract
A small but significant percentage of thumbs fail to regain complete range of motion after reconstructive procedures designed to replace lost function of the flexor pollicis longus tendon. A characteristic but little noted posture and attitude of metacarpophalangeal flexion with loss of interphalangeal motion and metacarpophalangeal stabilisation with restoration of interphalangeal motion is described. (“I-P flexion lag”—I.P.F.L.) Clinical causes include shortening of the muscle-tendon unit, loss of pulleys with bowstringing, adhesions and hypermobile joints.
Subject
Orthopedics and Sports Medicine,General Medicine,Surgery
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