了解多段脚模型之间的设计差异及其对关节运动结果的影响
Julia M Nicolescu1, Logan W Gaudette2, Olivia Vogel1
1Dept. of Biomedical Engineering, Worcester Polytechnic Institute, Worcester, MA, USA.
Journal of biomechanics
|August 12, 2024
概括
不同的多段脚模型 (MSFMs) 在走路和慢跑时产生不同的动力效果. 了解这些模型差异对于准确解释足部运动分析数据至关重要.
科学领域:
- 生物力学 生物力学
- 人类运动分析 人类运动分析
- 整形外科 整形外科 整形外科
背景情况:
- 多细分脚模型 (MSFMs) 提供详细的脚部区域数据,与刚性细分模型不同.
- 之前的研究强调了MSFMs之间的动力学变化,但动力学分析的含义不太清楚.
研究的目的:
- 为了比较四个不同的MSFMs的动力结果 (联合矩和功率).
- 评估不同MSFM细分定义对行走过程中的动力数据的影响.
主要方法:
- 在赤脚步行和慢跑姿势阶段,从年轻的成年跑步者获得运动捕捉数据.
- 使用牛津,密尔沃基,根特和沃格尔MSFMs. 的脚关节,中关节和中关节关节运动的比较.
- 统计参数映射用于将运动数据与牛津MSFM进行比较.
主要成果:
- 在四个MSFM之间观察到联合时刻和功率的显著差异.
- 在MSFM中,细分定义的变化会改变关节自由度,影响动力学和随后的动力学测量.
- 牛津,密尔沃基,沃格尔和根特的脚模型产生了非一致的动力学结果.
结论:
- MSFM的细分定义极大地影响了动力分析的结果.
- 研究人员和临床医生在解释步态和足部运动数据时必须承认MSFM的变化.
- 对于生物力学中可靠的动力学分析,需要对MSFM选择进行标准化或明确报告.
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