强度是不是很重要? 一项随机交叉研究,研究了急性运动强度对认知表现,运动速度和准确性的作用
Michael J Larson1, Alexandra M Muir2, Reilly O Reid2
1Department of Psychology, Brigham Young University, Provo, UT, United States; Neuroscience Center, Brigham Young University, Provo, UT, United States.
Progress in brain research
|March 27, 2024
概括
急性运动强度不会显著影响认知或运动性能. 单次炼,无论强度如何,在炼后大约一个小时内,认知能力没有出现重大变化.
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:
- 身体活动和认知功能之间存在积极的联系.
- 运动强度对认知的具体影响尚不清楚.
研究的目的:
- 研究不同的运动强度如何影响学习,记忆,工作记忆,处理速度和运动技能.
- 为了确定运动强度是否影响运动后大约一个小时的认知和运动性能.
主要方法:
- 207名参与者完成了中等 (35% VO2 Max),有活力 (70% VO2 Max) 和久坐的条件在一个主体内交叉设计.
- 认知和运动测试 (PASAT,RAVLT,打字速度,十个关键数据输入) 在运动后约60分钟进行.
- 统计分析检查了条件之间的差异,控制适应性指标和生物性别.
主要成果:
- 在这三种运动强度之间,没有发现主要认知或运动结果的显著差异.
- 在PASAT的最快试验中,与静坐和中度运动相比,在强度运动后观察到轻微的改善,但在考虑健身水平时,这并不显著.
- 对于任何结果变量,运动强度和生物性别之间没有发现显著的相互作用.
结论:
- 不管强度如何,单次急性炼似乎不会改变大约一个小时后评估的认知和运动性能.
- 这些发现强调了在运动和认知研究中需要大样本的大小.
- 时间因素或与运动相对的评估时间可能对观察认知益处至关重要.
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