在立和持续有氧运动期间明显的皮质血液动力学不会影响运动后执行功能益处的程度
Connor Dalton1, Joshua Ahn1, Gianna Jeyarajan1
1School of Kinesiology, Faculty of Health Sciences, University of Western Ontario, London, ON, Canada.
Journal of sports sciences
|October 26, 2023
概括
一次立式炼 (SSE) 有助于执行功能 (EF),类似于中等强度持续有氧运动 (MCE). 虽然SSE导致大脑血液流动波动更大,但与MCE相比,这并没有导致更大的EF改善.
科学领域:
- 神经科学是一个神经科学.
- 运动生理学 运动生理学
- 心血管生理学心血管生理学
背景情况:
- 有氧运动通过增加脑血流 (CBF) 和剪切压力来增强执行功能 (EF).
- 中等强度的持续有氧运动 (MCE) 和站运动 (SSE) 不同地影响CBF模式.
- SSE引发大幅度的CBF振荡,可能优化剪切压力对大脑健康的影响.
研究的目的:
- 为了比较SSE与MCE的运动后EF益处.
- 调查SSE的振荡CBF响应是否与MCE相比提供了优越的EF增强.
- 为了确定不同运动诱导的CBF模式对认知功能的影响.
主要方法:
- 参与者接受了MCE或SSE协议.
- 使用中脑动脉速度 (MCAv) 通过跨的多普勒超声波估计大脑血流 (CBF) 变化.
- 执行功能 (EF) 通过在运动前和运动后的抗动任务进行评估.
主要成果:
- MCE诱导了MCAv的稳定增加,而SSE产生了大幅度的MCAv振荡.
- 两种MCE和SSE协议都导致了可比的运动后EF效益.
- 相当性测试证实,在两个运动条件之间,EF改善的幅度没有显著差异.
结论:
- 一次SSE有效地增强了执行功能 (EF).
- 来自SSE的振荡CBF响应不会产生比MCE更大的EF益处.
- 运动诱导的CBF模式的变化可能不是运动后认知增强的唯一决定因素.
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