The success of the approach is based on changes in the orientation of the skin incision and the relative position and orientation of the deep structures as the knee moves from flexion to extension.

• 此入路成功的基础在于：在膝关节由屈曲到伸直的运动过程中，皮肤切口的方向、深部结构的相对位置和方向发生了改变。此切口的任何部分在需要时均可被使用。