Methods:The characteristics of the collateral ligament of elbow were dissected and observed, and the collateral ligament were sectioned serially to study the stability of the elbow.

• 方法:解剖观察肘关节副韧带的形态结构特点,测量依序切断桡侧软组织(包括桡侧副韧带)时肘关节后外侧旋转度的变化、依序切断肘关节尺侧副韧带时其外翻旋转角度的变化。