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在测量时空运行变量时,脚位的惯性测量单位与树位的单位有效

Madison S Mach^1,2, Hayley Ericksen³, Erin Lally⁴

¹School of Rehabilitation Sciences and Technology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA.

Journal of sport rehabilitation

|March 20, 2025

概括

脚部安装的RunScribe惯性测量单元 (IMU) 准确地测量跑步步率 (SR) 和步伐长度 (SL),为脚安装的IMU提供了有效的替代方案,用于步态分析和伤害预防.

科学领域:

生物力学生物力学
运动科学运动科学运动科学
可穿戴技术可穿戴技术

背景情况:

跑步是一种很受欢迎的运动,但会带来下肢受伤的风险.
惯性测量单元 (IMU) 分析跑步步态度,识别受伤风险因素,如低步率 (SR) 和长步长度 (SL).
需要对置于脚部的IMU (RunScribe) 与置于部的IMU进行验证.

研究的目的:

为了确定RunScribe脚置IMU与MyoMotion置IMU相比的标准有效性,用于测量SR和SL.

主要方法:

一项横截面实验室研究涉及9名参与者在跑步机上跑步.
从 RunScribe 脚型 IMU 和 MyoMotion 脚型 IMU 的数据同时收集.
使用皮尔森相关性,类内相关系数和布兰德-阿尔特曼图表来评估有效性.

主要成果:

在脚部和部放置的IMU之间,在SR (r = .90) 和SL (r = .80) 两方面都发现了强烈的相关性.
观察到SR的可靠性很好 (ICC = .91) 和SL的可靠性很好 (ICC = .80).
布兰德-阿尔特曼分析表明,这两种传感器位置在两个指标上都很一致.

结论:

在脚部放置的RunScribe IMU证明了测量运行SR和SL的标准有效性.
运行Scribe IMU 提供了一个有效的,可能更容易获得的替代品,用于行走分析.

关键词:

跑步步态度跑步步态度步骤率的步骤速度是多少脚步长度脚步长度脚步长度的有效性有效性.

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