高强度与短期热身对在寒冷环境下后续表现的影响
Yuto Yamashita1, Yoshihisa Umemura
1Laboratory for Exercise Physiology and Biomechanics, Graduate School of Health and Sports Sciences, Chukyo University, Toyota, Japan.
Journal of strength and conditioning research
|April 10, 2024
概括
在半场时间 (HT) 进行高强度,短时间的重新加热 (RW) 显著改善了在寒冷环境下随后的循环性能. 这个简短的RW协议增强了峰值功率输出,而不会影响核心体温.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 环境生理学环境生理学
背景情况:
- 寒冷的环境对运动表现构成重大挑战,可能会损害肌肉功能和功率输出.
- 在寒冷中间歇性炼期间保持核心和肌肉温度对于持续的表现至关重要.
- 传统的半场休息时间可能会导致有害的冷却,影响后续的运动能力.
研究的目的:
- 为了研究在半场 (HT) 期间高强度,短时间的重新加热 (RW) 协议在缓解寒冷环境中的性能下降方面的有效性.
- 为了比较这种特定的RW策略与被动休息期对后续运动表现的影响.
主要方法:
- 11名男性受试者在寒冷环境 (5°C) 中进行了两次实验试验.
- 这两项试验都涉及40分钟的间歇自行车运动方案,随后是15分钟的HT期.
- 实验试验包括1分钟的高强度RW (3组3秒最大踩踏),而对照试验则包括15分钟的坐着休息.
主要成果:
- 在随后的循环间歇冲刺协议 (CISP) 中,高强度RW试验中的峰值功率输出明显高于对照试验 (HII:807 ± 81 W vs. CON:791 ± 78 W,p <0.05).
- 在RW和对照条件之间没有观察到直肠温度的显著差异.
- 该CISP包括10组2分钟的炼,包括最大5秒的冲刺.
结论:
- 在半场休息期间进行高强度,短时间的热身是提高在寒冷条件下后续运动表现的有效策略.
- 这种RW方法似乎可以提高输出功率,而不会导致核心体温发生显著变化.
- 在寒冷的环境中竞争的运动员可能会在休息期间采用简短而强烈的重新热身协议,以保持性能水平.
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