运行速度和关键功率的比较在使用Stryd运行功率的跑步者中
Cody R van Rassel1, Kate M Sales1, Oluwatimilehin O Ajayi1
1Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada.
International journal of sports physiology and performance
|October 28, 2023
概括
使用Stryd设备评估的临界速度 (CS) 和临界功率 (CP) 显示了类似的运行强度. 两次计时试验为训练有素跑步者的CS和CP提供了合理的估计.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
背景情况:
- 临界速度 (CS) 是一种传统的运行强度指标.
- 便携式惯性测量单元,如Stryd,提供了估计运行机械功率的新方法.
- 这项技术可以使跑步者的临界功率 (CP) 评估更准确.
研究的目的:
- 为了调查CS和CP在使用Stryd设备测量时是否有差异.
- 为了确定两个运行时间试验是否足以进行可靠的CS和CP估计.
主要方法:
- 十名训练有素的跑步者在赛道上完成了三次跑步计时赛 (1200-4400米).
- 临界速度 (CS) 和临界功率 (CP) 使用2倍和3倍试验模型进行计算.
- 运行在计算的CS和CP值的恒定强度进行了.
主要成果:
- 在三次试验关键速度 (CS3TT) 运行时,产生了与三次试验关键功率 (CP3TT) 相似的功率,并且具有很好的一致性.
- 两次试验的临界速度 (CS2TT) 与CS3TT没有显著差异.
- 然而,两次试验的临界功率 (CP2TT) 明显高于CP3TT.
结论:
- 通过Stryd测量的跑力是评估有氧健身和运动处方的有效指标.
- 通过Stryd.评估时,临界速度和临界功率强度是可比的.
- 两次计时试验提供了一个合理的,虽然略高估计的,关键速度和关键功率的估计.
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