Methods:The angle of the acetabular abduction of 21 pelvis all 42 hip joints were measured with the manual devices when facing the 9 different pelvic obliqueness angles.

• 方法:手动测量21具骨盆标本共42髋在骨盆绕身体矢状轴向头侧和尾侧歪斜的9个不同角度时的髋臼外展角的度数。