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不同步行速度的步态变化

Johnny Padulo¹, Susanna Rampichini¹, Marta Borrelli¹

¹Department of Biomedical Sciences for Health (SCIBIS), Università degli Studi di Milano, 20133 Milan, Italy.

Journal of functional morphology and kinesiology

|November 21, 2023

概括

步行变化 (GV) 在自我选择的步行速度 (SS) 中最有效,表明最佳的步行控制. 这项研究发现,SS提供了一种可靠的方法来评估步态调整和正常化步行强度.

科学领域:

生物力学生物力学
人类运动科学科学人类运动科学
运动医学运动医学

背景情况:

步态变化 (GV) 反映了运动期间肌肉活动和身体运动的不一致性.
GV是量化步行控制调整的敏感指标.
了解GV和步行速度之间的关系对于优化步态分析和双边协调至关重要.

研究的目的:

调查步态变化 (GV) 与不同步行速度之间的关联.
为了确定自选步行速度 (SS) 是否与其他速度相比,提供更有效的步行控制措施.
探索SS作为步态分析的标准化方法的潜力.

主要方法:

14名男学生参加了这项活动,他们每天以自己选择的速度 (SS) 每天走1公里3天.
然后,参与者在三个速度进行跑步机测试:SS-20%,SS和SS+20%,并收集动力学数据.
测量包括心率 (HR),感知劳力的速度 (RPE),接触时间 (CT),摇摆时间 (ST),步伐长度 (SL),步伐周期 (SC) 和GV的阶段协调指数 (PCI).

主要成果:

随着步行速度的提高,RPE和HR显著增加.
接触时间 (CT) 和步伐周期 (SC) 减少,而步伐长度 (SL) 随着步行速度的增加而增加.
阶段协调指数 (PCI),代表步态变化,在自选速度 (SS) 时是最低的 (表明最有效的控制).

结论:

步行速度显著影响动力学变量和代谢需求.
自选的步行速度 (SS) 显示出最有效的步态变化,表明最佳的步行控制.
SS代表了一种有前途的方法方法来规范步行强度和准确评估步行模式.

关键词:

步态分析步态分析人类的机车运动.动力学分析动力学分析生理反应的生理反应对称性对称性对称性对称性对称性对称性

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