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游泳轮流减少了前面爬行的有氧表现的能量需求
Pietro Bosetto1, Vittorio Coloretti1, Myriam Lubrano2
1Department for Life Quality Studies, University of Bologna, Bologna, Italy.
European journal of applied physiology
|December 6, 2025
概括
游泳轮提供了能量优势,使短路游泳 (SC) 比长路游泳 (LC) 更经济. 这项研究量化了转如何降低能源成本,使SC池的速度更快.
科学领域:
- 体育科学 运动科学 运动科学
- 运动生理学 运动生理学
- 游泳生物力学 游泳生物力学
背景情况:
- 短路 (SC) 游泳 (25米游泳池) 通常会比长路 (LC) 游泳 (50米游泳池) 更快地表现.
- 这种性能差异在很大程度上归因于SC的转数量增加.
- 转对整体游泳经济的具体能量贡献以前没有得到量化.
研究的目的:
- 为了测试旋转降低游泳总能耗 (C) 的假设.
- 量化SC池与LC池相比,SC池转所提供的能量优势.
- 为了确定转是否能够在SC中实现更高的平均游泳速度.
主要方法:
- 十一名男子游泳者在SC和LC两个游泳池中进行了五次400米前爬行试验,其强度低于最大 (比赛速度的70-86%).
- 转和清洁游泳速度是标准化的,以隔离转频率的影响.
- 测量了生理和能量参数,包括氧气摄入量,血液乳酸盐,心率和感知到的炼,以计算代谢功率,总能耗 (Etot) 和能源成本 (C).
主要成果:
- 在等效的相对强度下,SC中平均速度明显高于LC (5.2%).
- 然而,在同等强度下分析时,动力学,生理学和能量参数在SC和LC之间没有显著差异.
- 在对的绝对速度下分析时,LC中的能量成本 (C) 大约比SC高4%,支持了这个假设.
结论:
- 转显著降低了400米前爬行游泳的整体能源成本.
- 这种能源成本的降低使游泳者能够在短路泳池中达到更高的平均速度.
- 游泳池的长度是评估游泳表现和设定训练强度时需要考虑的关键因素.
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