在12个月的训练周期中,成年骑自行车的精英和次级骑自行车者的极化指数的差异
Ben Cove1, Hunter Bennett1, Maximillian J Nelson1
1Alliance for Research in Exercise, Nutrition and Activity (ARENA), Allied Health and Human Performance, University of South Australia, Adelaide, SA, Australia.
International journal of sports physiology and performance
|October 23, 2025
概括
极化训练 (POL) 是一个关键的自行车运动策略. 这项研究没有发现精英和次级骑自行车者之间的POL指数有显著差异,也没有发现POL和功率改善之间的联系.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 骑自行车表现 骑自行车表现
背景情况:
- 极化训练 (POL) 是一种强调低强度运动的模式,具有有限的高强度间隔,在耐力运动中被广泛采用.
- 极化指数 (Pi) 量化了对POL模型的坚持.
- 了解不同绩效水平之间的Pi变化对于优化培训策略至关重要.
研究的目的:
- 为了比较精英和次级骑自行车者之间的两极分化指数 (Pi).
- 为了评估Pi与20分钟输出功率在12个月内变化的关系.
主要方法:
- 收集了17名骑自行车的功率 (PWR) 和心率 (HR) 数据 (9名精英,8名次级).
- 使用PWR (Pi-PWR) 和HR (Pi-HR) 计算年四分位数的Pi.
- 分析了小组差异和Pi的时间变化,以及与20分钟PWR变化的相关性.
主要成果:
- 在精英和次级骑自行车者之间没有发现Pi-PWR或Pi-HR的显著差异.
- 在两组的培训年内,没有观察到Pi-PWR或Pi-HR的显著变化.
- 在20分钟PWR和Pi-PWR或Pi-HR的年度变化之间没有显著的关系.
结论:
- 精英骑自行车的人通过Pi-PWR在早期训练中表现出Pi ≥2.0,但没有Pi-HR,而次级骑自行车的人没有表现出POL训练.
- 在精英和次级骑自行车运动员之间,总体训练强度分布在统计上没有差异.
- 该研究发现,极化指数与20分钟骑自行车功率的改善之间没有显著的相关性.
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