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Validity of PowerTap P1 Pedals during Laboratory-Based Cycling Time Trial Performance

机译：PowerTap P1踏板在基于实验室的循环时间试验期间的有效性

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The use of mobile power measuring devices has become widespread within cycling, with a number of manufacturers now offering power measuring pedals. This study aimed to investigate the validity of PowerTap P1 pedals by comparing them with the previously validated Wattbike ergometer. Ten trained cyclists performed three simulated 10-mile (16-km) time trials on a Wattbike, while using PowerTap P1 pedals. There were no statistically significant differences ( p 0.05) between PowerTap P1 pedals and a Wattbike for maximum, minimum, and mean power output, or for maximum, minimum, and mean cadence. There were good to excellent levels of agreement between the PowerTap P1 pedals and Wattbike (ICC 0.8) for all measured variables except minimum cadence (ICC = 0.619). This suggests that PowerTap P1 pedals provide a valid measurement of power output.
机译：移动功率测量设备的使用已在自行车运动中得到广泛应用，许多制造商现在都提供功率测量踏板。这项研究旨在通过将PowerTap P1踏板与之前经过验证的Wattbike测力计进行比较，以研究其有效性。十名训练有素的自行车手使用PowerTap P1踏板在Wattbike上进行了三个模拟的10英里（16公里）的计时赛。在PowerTap P1踏板和Wattbike的最大，最小和平均功率输出或最大，最小和平均节奏之间，没有统计学上的显着差异（p> 0.05）。除最低踏频（ICC = 0.619）外，所有测量变量的PowerTap P1踏板和Wattbike之间的一致性都达到了极好的水平（ICC> 0.8）。这表明PowerTap P1踏板可有效测量功率输出。

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