站立时功能支基的多边形模型可以提高平衡分析的准确性
Matthew Millard1, Lizeth H Sloot2
1University of Stuttgart, Institute of Sport and Movement Sciences, Stuttgart, 70569, BW, Germany.
Journal of biomechanics
|September 17, 2025
概括
本研究介绍了平衡评估的功能支基 (fBOS) 模型. fBOS比传统模型更小,并改善稳定性预测,提供更准确的平衡控制测量.
科学领域:
- 生物力学 生物力学
- 人类运动分析分析
- 步行和平衡研究研究.
背景情况:
- 传统的平衡模型依赖于脚的支底部 (BOS).
- 准确的平衡评估对于识别跌倒风险至关重要.
- 现有的BOS模型可能无法完全捕捉动态常态平衡.
研究的目的:
- 在站立时评估功能支基 (fBOS).
- 为了将fBOS模型与传统的基于标记器的BOS模型进行比较.
- 调查fBOS如何随着鞋子的变化而变化,姿势宽度,脚主导地位和单双姿势.
主要方法:
- 使用压力中心 (COP) 和动力学数据开发了fBOS的几何模型.
- 从COP数据中提取了一个表示fBOS的平面凸多边形.
- 将fBOS区域与基于标记的BOS进行比较,并分析了各种条件之间的差异.
主要成果:
- fBOS比基于标记物的BOS显著小 (23%) .
- 使用fBOS可以提高脚宽度的20%和长度的16%的稳定性准确度.
- fBOS区域在鞋类,姿势宽度或足部占主导地位方面没有显著差异.
- 与双立场相比,单立场的fBOS面积在单立场时比双立场大17%.
结论:
- fBOS模型提供了比传统的BOS模型更准确的平衡控制表示.
- fBOS是评估落风险和了解平衡动态的一个潜在的有价值的工具.
- 未来的研究应该集中在fBOS评估的可靠性和可重复性以及鞋类的影响上.
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