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The Effect Of Load Direction On The Structure Capacity Of Human Proximal Femur During Falling

Lu Fu, Hong Wei Zhao, Yu Xiang Zhu, Qing Zou, Chun Yang Geng, Bo Zhao, Chang Sheng Liu

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The annual occurrence of hip fracture increases very rapidly, which cause a heavy public health burden. From a biomechanical perspective, hip fractures are thought to be caused by different directions of load. Fifteen different load conditions were studied here to simulate various falling configurations, the directions of which were defined by angle γ, δ. The purpose of the current study was to clarify the influence of load direction on strength and fracture site of the proximal femur using FE method to determine the load direction under which the proximal femur is most vulnerable to fracture.