Methods 18 fresh cadaveric hands were involved in the study. The Chinese ink was filled into the radial and ulnar arteries at the wrist. The pulley width of PA and A1 were measured and their morphological and histological changes were observed.

• 方法 解剖 1 8只新鲜尸体手标本并从腕部桡、尺动脉灌注中华墨汁 ,观察并测量掌腱膜滑车与A1 滑车的宽度及形态学、组织学的变化。