[Treatment of the osseous rupture of ulnar lateral ligament (author's transl)].

Osseous rupture of the ulnar lateral ligament of the thumb is a strain fracture;l hence, it is important for stability, but it is also equally important for the articular surface. Anatomic reposition and stable fixation are essential for best possible rehabilitation. In analogy to other strain fractures, traction belting is the therapy of choice. The present article reports on 12 cases.