年轻男性跑步者的高强度耐力运动不同指数之间的生理对应性
Danilo A Massini1,2, Renato A C Caritá3, Tiago A F Almeida1,2,4
1Department of Physical Education, School of Sciences, São Paulo State University (UNESP), Bauru 17033-360, Brazil.
Sports (Basel, Switzerland)
|June 25, 2025
概括
临界速度 (CS),呼吸补偿点 (RCP) 和50%Δ是跑步者的类似运动强度标志物. 虽然这些指数显示一致,但个体的变化性限制了它们在培训中的可互换使用.
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
- 生物物理学的生物物理.
背景情况:
- 临界速度 (CS),呼吸补偿点 (RCP) 和50%Δ是已确定的生理标志物,用于划分重度和严重的运动强度领域.
- 这些指标在跑步表现中的相互有效性和一致性仍未得到充分研究,这影响了它们在训练处方中的实际应用.
研究的目的:
- 分析CS,RCP和50%Δ之间的协议,作为年轻跑步者的运动强度指数.
- 为了确定这些标记器是否可以在跑步中互换地用于运动领域划分.
主要方法:
- 十二名年轻跑步者完成了一项增量跑步测试,以确定最大氧气摄入量 (VO2max),RCP和50%Δ.
- 通过使用从时间有限的试验中得出的线性模型,在VO2max速度的90%,95%和110%时估计了CS.
- 单向ANOVA被用来比较VO2和运行速度值在三个指数.
主要成果:
- 在CS,50%Δ和RCP之间,在VO2 (47.5 ± 4.4 vs. 46.6 ± 4.4 vs. 47.8 ± 4.5 mLO2·kg-1·min-1) 或跑步速度 (13.9 ± 1.3 vs. 13.7 ± 1.3 vs. 14.0 ± 1.4 km·h-1) 中没有发现具有统计意义的差异.
- 在50%Δ和CS之间观察到低偏差 (-0.82 ± 1.55 mLO2∙kg-1∙min-1; -0.23 ± 0.55 km∙h-1) 和在RCP和CS之间 (0.36 ± 1.21 mLO2∙kg-1∙min-1; 0.05 ± 0.46 km∙h-1).
- 尽管有统计学上的共识,但生理反应的个体变异性表明,不要将这些指数视为完全可互换的.
结论:
- 临界速度,RCP和50%Δ在估计跑步者的运动强度和VO2反应方面表现出相互相似之处.
- 这些发现支持使用这些指数互换来定义练习领域的可能性.
- 然而,显著的个体变异性需要仔细考虑,限制了它们在实际应用中的完全互换性.
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