使用惯性测量单元进行长轨速滑的运动相识别的可靠性
Tomoki Iizuka1,2, Yosuke Tomita2
1Department of Rehabilitation, Kurosawa Hospital, Takasaki, Gunma, Japan.
PeerJ
|October 1, 2024
概括
惯性测量单元 (IMU) 在长轨速滑运动中显示出高可靠性来识别运动阶段. 这项技术准确地测量了关键事件,如推出,帮助绩效分析和培训优化.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 绩效分析 绩效分析
背景情况:
- 准确识别运动阶段对于优化长轨速滑表现至关重要.
- 惯性测量单位 (IMU) 为体育运动中的客观动力学分析提供了一个潜在的工具.
研究的目的:
- 评估使用IMU在长轨速滑运动中的移动阶段识别的内部和间级别可靠性.
- 评估IMU在特定滑冰赛事中的准确性和测量误差.
主要方法:
- 在使用IMU进行500米滑冰时,分析了15名长轨速滑者.
- 在立场阶段确定了关键的运动事件 (发作,边翻转,推开).
- 使用类内相关系数 (ICC) 和布兰德-阿尔特曼分析来评估可靠性.
主要成果:
- 对于所有确定的运动事件 (ICC值在0.81到0.99之间) 观察到高的内部和间级别可靠性.
- 绝对误差很小,从0.56到26.29毫秒不等.
- 最小可检测变化 (MDC) 值显示了良好的精度,范围为17.56至131.25毫秒.
结论:
- IMU在长轨速滑运动中显示出高可靠性和准确性来识别运动阶段.
- 与IMU相关的测量误差在动力学研究的可接受范围内.
- IMU是体育科学研究的一个有价值的工具,它可以进行增强的动力学分析和训练反速度滑冰.
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