为重建正常关节线保证假体旋转，我们以股骨髁上轴为参考。
To reestablish the joint line and set the component rotation, we referenced the femoral epicondylar axis.
结果当股骨假体的旋转与经股骨上髁轴平行时，测得的髌股关节峰值接触压结果最优（P< 0．05）。
Results The rotational alignment of the femoral components paralleled to the transepicondylar axis had the best results of the peak value of the patellofemoral contact pressure(P< 0. 05).
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