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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目的：使用第一代单轴锁定钢板固定髁上股骨骨折越来越普遍。

Objectives: Uniaxial, first-generation locking plates have become increasingly popular for fixation of supracondylar femur fractures.

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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.

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