急性氧气消耗对快速启动高强度间歇性运动的反应
Payton Miller1, Noah Perez1, John W Farrell1
1Clinical Biomechanics and Exercise Physiology Laboratory, Texas State University, San Marcos, TX 78666, USA.
Sports (Basel, Switzerland)
|December 22, 2023
概括
高强度间歇运动 (HIIE) 氧气消耗在快速启动和稳定功率协议之间相似,当它们与W相匹配时.
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:
- 高强度间歇运动 (HIIE) 有效改善心肺健康.
- 了解不同HIIE协议对氧气消耗 (VO2) 反应的理解对于优化训练至关重要.
- W' (工作能力高于临界功率) 是在强度劳动过程中运动耐受性的关键决定因素.
研究的目的:
- 为了比较两个HIIE协议之间的急性氧耗 (VO2) 响应:快速启动 (FSHIIE) 和稳定功率 (SPHIIE).
- 为了确定是否匹配HIIE协议对W' (工作容量超过临界功率) 耗尽影响VO2响应.
- 在匹配的HIIE协议中,调查在VO2max (PT ≥90%VO2max) 的90%以上的时间.
主要方法:
- 8名骑自行车的人进行了增量最大和3分钟全力测试,以确定VO2max,临界功率 (CP) 和W'.
- 两个HIIE协议 (FSHIIE和SPHIIE) 被管理,每一个3 x 4分钟的间隔和3分钟的活跃恢复.
- 两个协议的目标是耗尽60%的W' (W'target),SPHIIE在第一分钟内持续耗尽,FSHIIE在第一分钟内迅速耗尽.
主要成果:
- 在SPHIIE (25.20%) 和FSHIIE (26.07%) 之间,在90%以上的VO2max (PT ≥90%VO2max) 训练时间的百分比上没有发现显著差异.
- 峰值VO2在间隔的第一,第二和第三分钟之间有差异,但在第二和第三分钟之间没有差异.
- 在HIIE期间的VO2反应是可比的,当协议与W'支出相匹配时.
结论:
- 当高强度间歇运动 (HIIE) 协议与W'耗尽相匹配时,在非常高的氧气消耗 (VO2) 水平上花费的时间是相似的.
- 在间隔内W'耗尽的特定模式不会改变HIIE期间的整体VO2max利用率.
- 这些发现表明在设计HIIE协议时可以灵活使用,而不会影响生理刺激,只要W'的支出相匹配.
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