脚的灵活性和对齐与着陆任务期间的多段脚动力学有很弱的相关性
Yuya Ezawa1,2, Yuta Koshino1, Masanori Yamanaka3
1*Faculty of Health Sciences, Hokkaido University, Sapporo, Japan.
Journal of the American Podiatric Medical Association
|April 26, 2025
概括
脚的对齐和灵活性会影响着陆期间脚的不同动作. 建议进行单独的评估,尽管仅从这些措施预测着陆动力学可能是具有挑战性的.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 整形外科 整形外科 整形外科
背景情况:
- 平脚与动态活动中脚部运动增加有关,这是体育受伤的已知危险因素.
- 关于足部灵活性如何影响着陆过程中的足部动力学,目前的研究有限.
- 这项研究调查了健康个体在着陆期间脚对齐,灵活性和多段脚运动之间的联系.
研究的目的:
- 通过多段脚动力学,检查脚对齐和弹性之间的关系.
- 了解足部结构如何影响双腿着陆任务期间的动态足部运动.
- 为了区分脚部对齐与灵活性对着陆生物力学的影响.
主要方法:
- 三十八名健康志愿者接受了足部对齐 (正常化船尾高度截断 - NNHt) 和弹性 (船尾下降 - ND测试) 的评估.
- 一个多段脚模型在30厘米的降落下降过程中捕捉了腿部,后脚,中脚和前脚的运动.
- 分析了每个部分的峰值角度和运动范围,从初始接触到降落后的200ms.
主要成果:
- 正常化船尾高度截断 (NNHt) 显示出与峰值后脚转向角度有显著的反向相关性.
- 部下降 (ND) 测试值与中脚的背部屈曲和前脚的反向外行显著相关.
- 没有发现NNHt/ND与其他测量的动力学结果之间的显著相关性.
结论:
- 脚的对齐和灵活性是不同的测量,与着陆期间脚运动的不同方面相关联.
- 单独评估脚部对齐和灵活性对于全面了解脚部功能至关重要.
- 仅仅基于静态对齐和灵活性措施来预测着陆期间复杂的脚部运动可能是不够的.
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