The length,width and thickness of the ligamentous structures of the TFCC were measured with vernier caliper,and each marginal length and thickness of articular disc of the wrist were investigated too.

• 用游标卡尺测量韧带的长度、宽度和厚度及腕关节盘的桡侧缘、掌侧缘及背侧缘的长度和厚度。