Ulnar shortening osteotomy. A, Wrist of 16-year-old male wrestler with bilateral ulnar wrist pain and positive ulnar variance of 2 mm. B, Four weeks after surgery, wrist is in ulnar neutral variance and osteotomy is healed. (From Chun S, Palmer AK: The ulnar impaction syndrome: follow-up of ulnar shortening osteotomy, J Hand Surg 18A:46, 1993.) SEE TECHNIQUE 69.32.