全球导航卫星系统的单位间可靠性Apex (STATSports) 在标准化间歇性运行活动期间的指标
Marco Beato1, Cion Wren, Kevin L de Keijzer
1School of Health and Sports Sciences, University of Suffolk, Ipswich, United Kingdom.
Journal of strength and conditioning research
|October 10, 2023
概括
全球导航卫星系统 (GNSS) Apex 单元在间歇运行期间对大多数指标表现出高的单元间可靠性. 动态应力负载 (DSL) 显示可疑的可靠性,建议使用这种特定指标的从业者谨慎使用.
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:
- 全球导航卫星系统 (GNSS) 越来越多地用于监测运动员的表现.
- STATSports Apex系统是一个流行的GNSS设备,用于跟踪各种运行指标.
- 了解GNSS设备的单位间可靠性对于准确的性能监测至关重要.
研究的目的:
- 为了评估STATSports Apex GNSS指标的单位间可靠性.
- 确定这些指标是否适用于监测运动员的短距离间歇性跑步活动.
主要方法:
- 54名男性足球运动员参与了观察性研究.
- 使用10Hz的GNSS Apex单元记录多个性能指标.
- 采用了标准化的Yo-Yo间歇性恢复1级协议.
主要成果:
- 除了动态应力负载 (DSL) 之外,所有测试的指标都表现出较低的单位间偏差和良好的到优秀的单位间可靠性 (类内相关系数 - ICC).
- 总距离,高速跑步,加速,减速,峰值速度,平均代谢功率,代谢距离,相对距离和速度强度等指标显示微小到微小的三角洲差异.
- 动态应力负载 (DSL) 显示了可疑的单位间可靠性.
结论:
- 在间歇运行期间,STATSports Apex 系统为大多数性能指标提供了高间隔可靠性.
- 实践者可以自信地使用大多数Apex指标来监控短距离间歇运行,对DSL建议谨慎.
- 可能需要进一步的研究来提高DSL的可靠性或探索动态负载评估的替代指标.
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