Rotational alignment of the trochlear component parallel to the epicondylar axis optimizes patellar tracking.25,26 Palpation of the epicondyles is difficult, particularly when using smaller incisions.

与上踝轴平行的滑车成分旋转位移能使髌骨痕化25.26。上踝触诊很难，特此使用小切口时。

Epicondylar markers could be placed either manually or automatically by a computer algorithm that selected the most lateral or most medial osseous prominence of the distal part of the humerus.

髁上标于通过手工或计算机算法自动确定的肱骨远端内侧和外侧的骨性凸起。