在运动期间在严重强度域的不同区域接近最大氧气摄入的时间
Robin Faricier1,2,3, Pablo R Fleitas-Paniagua3, Danilo Iannetta3,4
1School of Kinesiology, the University of Western Ontario, London, Canada.
Journal of strength and conditioning research
|November 4, 2024
概括
为了最大限度地增加在最大氧气吸收 (V·O2峰值) 附近的时间,持续约9分钟或更长时间的运动强度比非常高的强度更有效. 这一发现对于优化耐力训练方案至关重要.
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
- 人类表现的人类表现.
背景情况:
- 临界功率 (CP) 模型用于理解运动强度领域.
- 最大氧气吸收 (V·O2峰值) 是有氧能力的一个关键指标.
- 严重强度运动领域的特点是不能无限期维持的运动强度.
研究的目的:
- 为了确定在严重强度域内的最佳运动强度,以最大限度地提高在V·o2峰值附近的持续时间.
- 为了研究运动持续时间,强度和在高V·o2水平上度过的时间之间的关系.
主要方法:
- 九名活跃的个人完成了坡道增量测试,以确定VO2峰值和峰值输出功率 (PO峰值).
- 参与者在PO峰值的不同百分比下进行了四次恒定功率的任务失败练习,以估计CP和W'.
- 进行了四次额外的详尽试验,预计持续时间约为3,6,9分钟和12分钟,以测量在V·o2≥95%的V·o2峰值下花费的时间.
主要成果:
- 与9分钟和12分钟的试验相比,在3分钟的试验中,在V·o2峰值上花费的时间明显更短.
- 与12分钟试验相比,6分钟的试验也导致V·o2峰值的时间更短.
- 在严重强度域内,持续约9分钟或更长时间的强度允许在高强度相比,在V·o2峰值附近花费的时间更长.
结论:
- 对于单次炼,更接近临界功率的强度 (可持续9分钟或更长时间) 是首选的,以最大限度地提高V·o2峰值的时间.
- 运动的强度非常高 (例如,导致在3分钟内任务失败的运动) 会减少在V·o2峰值附近的时间.
- 这些发现表明,在严重的领域中操纵运动强度可以影响在最大有氧能力上花费时间的持续时间.
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