夸克循环功率计的有效性
Jon Oteo-Gorostidi1, Jesús Camara2,3, Diego Ojanguren-Rodríguez1
1Faculty of Medicine, Health and Sports, Department of Real Madrid Graduate School, Universidad Europea de Madrid, 28670 Madrid, Spain.
Sensors (Basel, Switzerland)
|May 14, 2025
概括
夸克D-Zero功率计准确地测量了循环输出功率,与Favero Assioma Duo和Hammer Saris H3.3等验证设备相比,显示出强大的相关性和最小的变化.
科学领域:
- 体育科学 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:
- 准确测量循环输出功率对于训练负载管理和性能分析至关重要.
- 存在各种功率计,但它们的有效性需要严格对既定标准进行测试.
- 位于底支架蜘蛛中的Quarq D-Zero功率计需要直接验证.
研究的目的:
- 为了评估Quarq D-Zero功率计用于测量循环输出功率的有效性.
- 为了将Quarq D-Zero与两个经过验证的功率计进行比较:Favero Assioma Duo (FAD) 和Hammer Saris H3 (H3).
主要方法:
- 31名训练有素的男性骑自行车者在各种功率输出 (100-500W) 和冲刺力度进行了测试.
- 测试包括随机的节奏 (70,85,100rpm) 和骑自行车的位置 (坐着,站着).
- 来自Quarq D-Zero的功率数据与FAD和H3进行了比较,使用统计分析,包括相关性和变化系数 (CV).
主要成果:
- 在三个测量仪之间发现了功率读数的显著差异,除了冲刺.
- 在FAD和Quarq D-Zero之间没有观察到任何显著差异,除了在500W之外.
- 发现了强到非常强的相关性 (r > 0.883,ICC > 0.879) 和可接受的CVs (FAD-Quarq的0.62%-4.89%).
结论:
- 夸克D-Zero功率计在测量循环输出功率方面证明了有效性.
- 它显示了与Favero Assioma Duo功率计的高度一致性和相关性.
- 这表明,Quarq D-Zero是骑自行车者监测训练和表现的可靠工具.
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