Objective The purpose of the study was to evaluate the effects of pulleys ( A3,C1,C2) on excursions of flexor digitorum profundus (FDP) tendons and motion of proximal interphalangeal (PIP) joint.

• 目的探索A3、C1和C2滑车对指深屈肌腱及近节指间关节活动的影响。方法采用10只尸体手示、中、环指,将掌指关节及远节指间关节固定后,进行以下4个阶段的实验:(1)腱鞘完整；