马拉松训练对经验丰富的马拉松选手最大有氧能力和跑步经济性的影响
Emma J Lee1, Eric M Snyder1, Christopher J Lundstrom1
1School of Kinesiology, University of Minnesota, Minneapolis, MN, United States of America.
Journal of human sport and exercise
|December 26, 2023
概括
马拉松训练提高了竞争性跑步者的最大有氧容量 (VO2max) 和减少了体脂. 与VDOT相关的VO2 (alloVO2) 的全米缩放,表明其在评估运行性能变化中的实用性.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 运行性能分析的运行.
背景情况:
- 最大有氧容量 (VO2max) 和运行经济 (RE) 是关键的运行性能指标.
- 在马拉松训练期间,竞争性跑步者的生理适应性尚未得到充分理解.
- VDOT分数整合了VO2max和RE,用于在不同条件下比较比赛表现.
研究的目的:
- 为了研究马拉松训练周期后VO2max和RE测量的变化.
- 评估VO2max,RE变量和VDOT得分之间的关系.
- 评估马拉松训练对竞争性跑步者的身体组成的影响.
主要方法:
- 八名竞争性跑步者 (5名女性) 接受了训练前和训练后的VO2max和马拉松强度-努力 (MIE) 测试.
- 身体脂肪百分比 (%BF) 用水定式称重进行测量.
- 统计分析包括配对的t测试,显著性设置在p < 0.05.
主要成果:
- 身体脂肪显著减少 (18.7%至16.7%),VO2max增加 (51.6至63.9毫升公斤-1分钟-1),MIE期间%VO2max降低 (82.1%至72.3%).
- 对VO2 (alloVO2) 的全米缩放显示了与VDOT的显著负相关性 (r = -0.779,p = 0.039).
- 在其他RE测量中没有观察到任何显著变化,这表明增加的VO2max驱动了MIE期间减少的%VO2max.
结论:
- 马拉松特有的训练可以提高VO2max,并减少体脂在经验丰富的跑步者.
- 对VO2 (alloVO2) 的全米缩放似乎是评估跑步性能变化的有效措施,与VDOT相关.
- 观察到的改善突出了竞争性跑步者的适应能力,以严格的训练方案.
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