身体构成与消防员的最大努力跑步机测试时间有关
Benjamin J Mendelson1, Rudi A Marciniak1, Carly A Wahl2
1Human Performance & Sport Physiology Laboratory, Department of Rehabilitation Sciences & Technology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA.
Healthcare (Basel, Switzerland)
|June 10, 2023
概括
消防员健身测试可能会错过关键的性能数据. 亚最大测试预测有氧能力,但可能无法捕捉超过最大心率85%的生理工作.
科学领域:
- 生理学 生理学 生理学
- 职业健康 职业健康 职业健康
- 运动科学 运动科学
背景情况:
- 消防需要高的心肺呼吸能力.
- 身体脂肪百分比 (BF%) 和有氧能力 (VO2峰值) 影响消防性能.
- 通常用于消防员的亚最大试验,在最大心率 (MHR) 的85%时停止,可能缺少最大努力数据.
研究的目的:
- 调查消防员的身体组成和在85%以上的MHR上跑的时间之间的关系.
- 为了确定亚最大试验是否足够评估与消防相关的最大心肺呼吸力.
主要方法:
- 收集了15名消防员的身高,体重,BMI,BF%,MHR,VO2峰值,预测的VO2峰值 (P-VO2峰值),跑步机测试时间 (WFIsub测试时间) 和跑步机测试时间 (WFImax测试时间) 的数据.
- 分析了身体成分和最大/次最大测试性能之间的关系.
主要成果:
- 在BF%和VO2峰值,BF%和WFImax测试时间,BF%和时间差 (Tdiff) 以及VO2峰值和WFImax测试时间 (p <0.05) 之间发现了显著的相关性.
- 预测的VO2峰值与实际的VO2峰值没有显著差异.
- 最大跑步机测试时间 (WFImax测试时间) 比次最大测试时间 (WFIsub测试时间) 长得多.
结论:
- 亚最大跑步机测试可以合理地预测消防员的VO2峰值.
- 然而,这些测试可能会忽略发生在强度高于85%MHR的关键生理反应.
- 评估最大的心肺呼吸能力是完全了解消防员性能能力的关键.
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