热适应,热适应和间歇性热训练对最大氧气吸收的影响
Ryan A Dunn1, Lauren A Fry2, Yasuki Sekiguchi3
1Sports Performance Laboratory, Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, Texas.
Sports health
|May 6, 2024
概括
热适应/适应 (HA/HAz) 和间歇性热训练 (IHT) 维持了耐力跑者最大的氧气吸收 (VO2max). 这些方法还降低了HA/HAz后最大心率 (HRmax).
科学领域:
- 运动生理学 运动生理学
- 环境生理学环境生理学
- 运动科学 运动科学
背景情况:
- 最大氧气吸收 (VO2max) 对于耐力表现至关重要.
- 热适应/适应 (HA/HAz) 提高了耐力能力.
- 间歇性热训练 (IHT) 对维持HA/HAz适应和VO2max的影响尚不清楚.
研究的目的:
- 研究HA/HAz和随后的IHT对男性耐力跑者的VO2max的影响.
- 确定IHT是否可以减轻HA/HAz诱导的适应性的衰变.
- 为了检查VO2max (vVO2) 和最大心率 (HRmax) 的速度变化.
主要方法:
- 27名男性耐力跑者在基线,HAz后,HA后以及IHT4周和8周进行了VO2max测试.
- 在HAz之前,有5天的HA涉及高温运动.
- 参与者被随机分配到三个IHT组:每周一次,每周两次,或没有IHT.
主要成果:
- 在基线,后HAz和后HA之间没有发现VO2max或vVO2的显著差异.
- 在所有IHT组和时间点中,VO2max和vVO2保持稳定.
- 最大心率 (HRmax) 在HAz/HA后显著下降,但在IHT期间没有显著变化.
结论:
- 在耐力跑者中,HA/HAz和IHT有效地保持有氧功率 (VO2max).
- HA/HAz导致HRmax的减少.
- 该研究表明,经过高度训练的人可能在HA/HAz和IHT后不会经历VO2max下降.
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