Lateral ligament injuries of the ankle. Surgical treatment of late cases.

34 ankles with prolonged instability of the lateral ligaments were operated on by the Evans tenodesis procedure. The follow-up period was 24 to 35 months. 33 patients showed subjective improvement, only one had marked postoperative complaints. It was observed that the Evans operation gives good stability of the ankle. As a simple and safe procedure this operation is to be recommended for standard correction of old posttraumatic lateral instability of the ankle joint.