XC-running比赛Lidingöloppet对性能决定因素的影响
Elias Rapp1, Francesco Laterza2,3, Vincenzo Manzi2
1Department of Physiology, Nutrition and Biomechanics, The Swedish School of Sport and Health Sciences GIH, Stockholm, Sweden.
Frontiers in physiology
|October 23, 2025
概括
这项研究发现,在乳酸值时的氧气吸收,脂肪利用和运行经济最能预测越野跑的表现. 赛后,跑步经济状况恶化,但生物力学保持不变,经济变化与表现之间没有联系.
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
- 生物力学 生物力学
背景情况:
- 运行经济 (RE) 和生物力学是耐力表现的关键因素.
- 了解这些因素如何影响跨越国度等长距离比赛的表现至关重要.
研究的目的:
- 为了确定30公里越野比赛中跑步表现的决定因素.
- 评估比赛对运行经济和生物力学的影响.
- 探索运行经济,生物力学,性能和健身的变化之间的关系.
主要方法:
- 13名跑步者完成了一场30公里的越野比赛.
- 赛前和赛后进行了生理学,生物力学和人类学评估.
- 用多个线性回归和相关性分析来分析性能决定因素和变量关系.
主要成果:
- 在乳酸值 (LT) 的氧气摄入量,脂肪利用率和规模运行经济 (R2 = 0.918) 最好预测性能.
- 赛后,跑步的氧气成本增加,而呼吸交换率和体重减少;生物力学保持不变.
- 运行经济的变化仅与测试前的运行经济有关,而不是性能或生物力学变化.
结论:
- 跨越国家表现的预测模型包括LT,脂肪利用和运行经济.
- 赛后的疲劳增加了运行经济性,但生物力学适应性没有发生.
- 针对脂肪氧化,LT和运行经济的培训干预措施可以提高性能.
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