运动后改善干扰控制与血液流量限制和冷却与乳酸盐增加有关,但并非乳酸盐增加的媒介
Yujiro Yamada1, Ryo Kataoka1, Zachary W Bell2
1Department of Health, Exercise Science, and Recreation Management. Kevser Ermin Applied Physiology Laboratory, The University of Mississippi, University, MS 38677, United States of America.
Physiology & behavior
|July 13, 2023
概括
冲刺运动期间的身体冷却可以改善认知功能,特别是干扰控制. 这种效应仅在单独冷却或与血液流量限制相结合时观察到,并不能通过血液中的乳酸盐水平来解释.
科学领域:
- 运动生理学 运动生理学
- 认知神经科学 认知神经科学
- 运动科学 运动科学 运动科学
背景情况:
- 干扰控制,一个关键的认知功能,可以通过生理变化调节.
- 众所周知,冲刺间隔运动会诱导显著的生理反应.
- 运动,血流限制和身体冷却对认知功能的综合影响需要进一步研究.
研究的目的:
- 评估躺着冲刺间隔运动,有或没有血流限制和身体冷却,对干扰控制的影响.
- 为了确定血中乳酸盐水平的变化是否介导这些运动干预措施对干扰控制的影响.
主要方法:
- 八十五名参与者接受了五个实验条件:仅炼,炼与血流限制,炼与冷却,炼与两个干预措施,和一个控制条件.
- 使用Stroop Color Word Test测量干扰控制,并在运动前后记录血中乳酸盐水平.
- 统计分析包括贝叶斯对对比和主体内调解分析,以评估干预效应和乳酸盐的作用.
主要成果:
- 与身体冷却的运动,无论单独还是与血流限制相结合,与对照条件相比,显著改善了不相称的反应时间.
- 所有的运动条件都导致了血中乳酸盐水平的增加和相应反应时间的改善.
- 没有证据支持血液中的乳酸盐水平调解了观察到的不一致反应时间的变化.
结论:
- 身体冷却,无论是单独应用还是与血液流量限制一起应用,都能增强冲刺间歇运动期间的干扰控制.
- 干扰控制的改善可能独立于全身血中乳酸度变化.
- 这些发现表明,冷却策略可以在强度炼期间对认知表现有益.
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