Trapeziectomy is, therefore, the central element of arthroplasty, but it is a destructive surgical procedure that, to some extent, shortens the first ray and reduces the pinch strength of the thumb.

• 因此，大多角骨切除术成为关节成形术中的中心因素，但这是个破坏性外科过程，在某种程度上缩短了第一列骨长度，减小了拇指的捏力。