Bunnell technique to stabilize distal radioulnar joint. A, Skin incision. B, Annular ligament formed by looping small tendon graft around neck of ulna and attaching it to radius. C, Cross section of wrist showing method of attaching tendon graft to radius. D, Tenodesis of distal end of ulna, using split portion of flexor carpi ulnaris tendon. E, Detail of tenodesis. F, Final appearance after anchoring extensor carpi ulnaris tendon dorsally by separate tendon loop to prevent subluxation of tendon on flexion and pronation of wrist.