Figure 3From: Extensor tendon rupture caused by instability of the ulnar head with an osteoarthritic distal radioulnar joint: a case report An intraoperative photograph shows extensor digiti minimi, as well as the fourth and fifth extensor digitorum communis tendons, are ruptured with fraying of the tissue in the ruptured margin. The ulnar head is directly exposed and the dorsally overlaying capsule is worn out.Back to article page