不同前脚区域在步行过程中以不同的速度和坡度对推开峰值的贡献
Frithjof Doerks1, Lisa Riedel1, Ann-Kathrin Einfeldt1
1Laboratory of Biomechanics and Biomaterials, Department of Orthopedic Surgery, Hannover Medical School, Anna-von-Borries-Strasse 1-7, 30625 Hannover, Germany.
Gait & posture
|December 27, 2023
概括
哈卢克斯显著促进步行速度,特别是在更快的步伐和倾斜时. 了解前足底的贡献对于开发截肢者的辅助设备至关重要.
科学领域:
- 生物力学 生物力学
- 步态分析 步态分析
- 整形外科 整形外科 整形外科
背景情况:
- 终端姿势阶段的推开对于向前行走的进展至关重要.
- 在推开过程中,地面反应力集中在前脚上.
- 有关前脚区域对推开峰值的具体贡献的知识差距存在.
研究的目的:
- 量化不同前脚鞋底面积对推开峰值的贡献.
- 分析这些贡献作为步行速度和斜率的函数.
- 为前足截肢患者设计仿生骨科设备提供信息.
主要方法:
- 15名健康的受试者在跑步机上以不同的速度和坡度行走.
- 使用新型Pedar-X系统测量了垂直鞋底力量.
- 重复测量ANOVA分析了光,第一光线和脚 (I-V) 的贡献.
主要成果:
- 随着更快的速度和10°的倾斜,推开峰值会增加;下坡行走会减少它.
- 前脚区域的贡献随着速度的增加而增加,并且在-10°的斜率下.
- 与慢步相比,快速行走的哈卢克斯贡献增加了64.6%.
结论:
- 哈卢克斯在产生步行速度方面发挥着重要作用.
- 在下坡行走时,前脚的重要性得到了突出强调.
- 对于被截肢的人来说,需要辅助设备来弥补推开缺陷.
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