关键功率与划船性能比第二个乳酸值更强烈地相关
Dan B Dwyer1, Kieron D Lester1, Rodney Siegel2
1Centre for Sport Research in the Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, Australia.
International journal of sports physiology and performance
|August 19, 2025
概括
临界功率 (CP) 和第二乳酸值方法与划船性能有很强的关联,CP模型在训练有素的运动员中准确预测2000米的划船时间.
科学领域:
- 运动生理学 体育生理学
- 运动科学 运动科学
背景情况:
- 临界功率 (CP) 和第二乳酸值是耐力表现的关键生理标志物.
- 了解这些标记物的一致性和预测准确性对于划船员的训练优化至关重要.
研究的目的:
- 评估划船员的临界功率 (CP) 和第二个乳酸盐值 (使用ModDmax和LogPoly方法) 之间的一致性.
- 检查这些生理标志物与划船性能之间的关系.
- 评估CP模型在预测2000米划船性能方面的准确性.
主要方法:
- 从38名国家/国际级男女划船员获取数据.
- 在增量人体表测试中使用修改的Dmax (ModDmax) 和LogPoly方法确定了第二个乳酸值.
- 使用时间试验数据 (500m,2000m和5000m/6000m) 和线性1/时间模型计算CP和CP (W') 以上的工作.
主要成果:
- 在CP,ModDmax和LogPoly之间发现了中度至强度的关联 (r2 = .49-.70).
- 在CP时的输出功率低于ModDmax和LogPoly时 (P < .001).
- CP表现出与划船性能最强的关联 (r2 = -.81; P < .001),其次是ModDmax和LogPoly (r2 = -.75; P < .001).
- 包括W'在内的CP模型准确地预测了2000米的划船时间 (男性r2 = .92,女性r2 = .81;P < .001).
结论:
- 虽然绝对功率输出协议没有得到确认,但CP,ModDmax和LogPoly之间存在强烈的关联.
- 所有测试的方法都与2000米的划船性能有中等到高的相关性.
- CP模型是预测训练有素运动员划船表现的有效工具.
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