在反运动跳跃中使用低采样IMU进行垂直跳跃高度估计:一种可行的替代运动捕捉和力平台的可行替代方案
Giacomo Villa1,2, Alessandro Bonfiglio1,3,4, Manuela Galli2
1Euleria srl Società Benefit, Via delle Zigherane, 4/A, 38068 Rovereto, Italy.
Sensors (Basel, Switzerland)
|January 8, 2025
概括
低采样率惯性测量单元 (IMU) 为评估反运动跳跃高度提供了一个可行的替代方案. 使用IMU的数值双整合方法在基于现场的评估中表现出高准确性和可靠性.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 人类运动分析 人类运动分析
背景情况:
- 垂直跳跃高度对于评估下肢功能至关重要.
- 黄金标准系统 (运动捕捉,力平台) 缺乏生态有效性.
- 惯性测量单位 (IMU) 提供了一个潜在的基于现场的替代方案.
研究的目的:
- 评估低采样率IMU用于反运动跳跃高度测量的可行性.
- 将三种基于IMU的计算方法与黄金标准的有效性进行比较.
- 为了确定基于IMU的跳跃评估在生态环境中的可靠性.
主要方法:
- 18名健康参与者进行了反运动跳跃 (双腿和单腿).
- 通过运动捕捉,力平台和L5定位的IMU同时收集数据.
- 评估了三种IMU计算方法:数值双整合,起飞速度和飞行时间.
主要成果:
- 数字双整合显示了与黄金标准相比的最高相关性 (0.87) 和最低偏差 (2.5厘米).
- 这种方法也显示出出色的可靠性 (0.88).
- 起飞速度和飞行时间的方法对于单腿跳跃来说不那么准确.
结论:
- 具有数字双重集成的低采样率IMU是基于现场的反移动跳跃评估的可靠和可行的替代方案.
- 这种方法需要对不同种群和跳跃类型进行进一步的研究.
- IMU为可访问的下肢功能测试提供了一个实用的解决方案.
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