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).
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.
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.
结论：测试所用的可使用多轴固定螺钉的钢板系统，在生物力学方面是股骨髁上骨折的不错的选择。
Conclusions: The tested plate construct with its polyaxial locking screw mechanism provides a biomechanically sound fixation option for supracondylar femur fractures.
结论：测试所用的可使用多轴固定螺钉的钢板系统，在生物力学方面是股骨髁上骨折的不错的选择。
Conclusions: The tested plate construct with its polyaxial locking screw mechanism provides a biomechanically sound fixation option for supracondylar femur fractures.
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