Use of extensor pollicis longus tendon as a distal extension for an opponens transfer.

We describe the use of the extensor pollicis longus tendon as an extension of the motor unit in an opponens transfer. Its advantages, and its successful application in 4 cases, are illustrated. To the best of our knowledge, this method has not been described before. We believe it to be a satisfactory addition to the other methods described.