He could not grasp objects or fasten buttons. 16 year-old F.'s right arm could not work, having grown deformed after a bad fracture in the pediatric age: at 7, he broke his elbow due to a trauma, the growth cartilage was compromised and developed anarchically, so that the arm rotated progressively, reaching a deviation of 60 degrees. The deformity of the elbow also became a serious aesthetic handicap, difficult to accept with teenage.