1. The results of seventy-six transfers of the tibialis anterior tendon to the outer side of the foot to prevent relapse of congenital club foot are reviewed.

2. There were relapses in fifty-two of the seventy-six feet on which the operation had been performed.

3. The equinus component of the deformity is the dominant feature in all the relapses.

4. A test for occult equinus is described.

5. The factors contributing to the high relapse rate are discussed.