使用机动电阻装置测量辅助冲刺结果的试验-重试和内测可靠性
Ola Eriksrud1, Frederic Westheim1
1Biomechanics Laboratory, Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway.
Frontiers in sports and active living
|June 18, 2025
概括
这项研究证实,电动阻力装置 (MRD) 提供了可靠的测量辅助冲刺性能,包括速度和加速. 这些发现为教练和研究人员提供了宝贵的工具,以监测和增强冲刺训练计划.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 精确测量冲刺表现对于训练优化和运动员评估至关重要.
- 机动阻力装置 (MRD) 为辅助冲刺训练提供了一种可控的方法.
- 来自MRD的结果测量的可靠性需要进行彻底的调查.
研究的目的:
- 通过使用机动电阻装置 (MRD) 确定辅助冲刺结果测量的可靠性.
- 评估通过MRD获得的冲刺指标的内部测试和测试-重新测试可靠性.
- 评估MRD衍生数据对监测和推进冲刺训练的有用性.
主要方法:
- 21名参与者 (16名男性,5名女性) 进行了辅助冲刺,使用MRD的3公斤外部负荷.
- 测量包括冲刺时间,最高速度,最大加速度和5米分时/速度.
- 使用类内相关系数 (ICC),变化系数 (CV) 和最小值得改变 (SWC) 来评估可靠性.
主要成果:
- 对于大多数结果测量,观察到高至极高的测试重复测试可靠性 (ICC ≥0.95),绝对可靠性很好 (CV <5%).
- 最大加速和0-5m时间显示出略低,但仍然可以接受的可靠性.
- 会议内可靠性反映了测试重复测试的结果,表明在重复试验中一致的性能测量.
结论:
- 电动阻力装置 (MRD) 在关键辅助冲刺结果测量方面表现出高可靠性.
- MRD为教练和研究人员提供了一个可靠的工具,可以客观地监测和评估冲刺训练.
- 这些发现为推进冲刺表现分析和运动员发展开辟了新的途径.
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