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首页> 外文期刊>Gait & posture >Step length and required friction in walking.
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Step length and required friction in walking.

机译:步长和行走时所需的摩擦力。

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摘要

The effect of step length on minimum required coefficient of friction (mu(R)) during a walking step was isolated from other features that influence the mechanics of foot contact (such as speed). Ground reaction force (GRF) from defined step lengths at consistent forward speed was used to calculate mu(R), required coefficent of friction. Some individuals walked in a manner that generated a mu(R) that was 50% larger than others, in spite of being restricted to the same speed, step length and step frequency. Unshod subjects had greater mu(R) compared to shod subjects except at the shortest step lengths. Understanding the dynamic interaction of applied vertical and horizontal forces is necessary to develop strategies to effectively evaluate unsafe circumstances, or modify behavior and develop safer equipment (at home and/or in the workplace) to deal with adverse footing environments.
机译:步长对步行步骤中最小所需摩擦系数(mu(R))的影响与影响脚部接触力学(例如速度)的其他特征隔离开来。来自定义步长的地面反作用力(GRF)以一致的前进速度用于计算mu(R),即所需的摩擦系数。尽管受到相同速度,步长和步频的限制,但有些人走路时产生的mu(r)比其他人大50%。与步枪对象相比,无步枪对象的mu(R)更大,但步距最短。必须了解所施加的垂直和水平力的动态相互作用,才能制定策略来有效评估不安全的情况,或改变行为并开发更安全的设备(在家和/或工作场所)以应对不利的立足环境。

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