在高强度间歇训练期间在炎热和温带环境中急性工作速度调整
Hillary A Yoder1,2, Anne M Mulholland1, Hayley V MacDonald1
1Department of Kinesiology, The University of Alabama, Tuscaloosa, AL, USA.
概括
在高强度间歇训练期间保持目标心率可能会降低运动强度,特别是在炎热的条件下. 这种调整可以限制生理应变,但可能会减少运动员的整体训练刺激.
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 运动科学
背景情况:
- 在长时间的运动和在炎热的环境中,心率自然会增加.
- 保持一致的目标心率通常需要随着时间的推移降低工作率.
- 这种现象可能会影响间隔训练协议的有效性.
研究的目的:
- 在使用目标心率时,研究如何在高强度间歇训练 (HIIT) 中调整工作率.
- 在不同的环境温度下 (温和与热) 描述这些调整.
- 了解对训练刺激和生理应变的影响.
主要方法:
- 七名参与者完成了分级运动测试和四个HIIT试验 (15分钟和43分钟的持续时间) 在温和 (∼22°C) 和热 (∼35°C) 条件下.
- 工作速度调整以保持目标心率 (90%HRmax在工作期间,70%HRmax在康复期间).
- 测量包括心率,直肠温度和工作率输出.
主要成果:
- 在温和 (33 W) 和热 (56 W) 条件下,第一个和第五个间隔之间的工作速度显著下降.
- 在炎热条件下观察到更大的热应变 (更高的直肠温度) 和心血管应变 (心率增加).
- 使用目标心率导致工作产量减少,特别是在炎热的情况下.
结论:
- 在HIIT期间坚持目标心率可以导致训练刺激减少,特别是在炎热的环境中.
- 然而,这种方法也可以减轻过度的热量和心血管应变.
- 它允许个人完成规定的运动持续时间,尽管存在环境挑战.
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