Objective To investigate the motion and the biome chanical changes of the normal wrist and the wrist after proximal row carpectomy (PRC), and to provide theoretical basis of the functional loss of wrists following PRC.

• 目的测定正常腕关节和近排腕骨切除术后腕关节的活动范围和生物力学变化,探讨近排腕骨切除术后腕关节功能丧失和并发症出现的机制。