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摄入碳水化合物饮料对运动员执行功能的影响:系统审查和元分析

Jingye Yang^1,2,3, Qi Han^1,2,3, Qi Liu^1,2,3

¹College of Exercise Science, Beijing Sport University, Beijing, China.

Frontiers in psychology

|August 28, 2023

概括

在运动前或运动期间饮用碳水化合物饮料不会显著改善运动员的认知功能,特别是执行功能 (EF). 这一系统性审查没有发现对体力活动后的反应时间,准确性或分数有实质性的好处.

科学领域:

运动科学运动科学运动科学
神经科学是一个神经科学.
营养科学营养科学

背景情况:

碳水化合物通常用于提高运动表现,特别是在耐力和高强度活动中.
在运动的背景下,碳水化合物摄入对认知功能,如执行功能 (EF) 的影响仍然不清楚.

研究的目的:

系统地审查有关运动前或运动期间饮用碳水化合物饮料对认知功能的特定领域,特别是执行功能 (EF) 影响的现有文献.

主要方法:

根据PRISMA 2020指南,在六个主要数据库 (PubMed,WOS,SPORTDiscus,Cochrane,Embase,Scopus) 进行了全面的文献搜索.
纳入了十项随机对照试验 (RCT),分析了与EF测试反应时间 (RT),准确性 (ACC) 和得分 (Score) 相关的结果.
效应大小以标准化平均差异 (SMD) 计算,并根据运动特征进行子组分析.

主要成果:

十项RCT的总体分析显示,碳水化合物饮料摄入量对运动后EF没有显著影响 (ACC: -0.05,RT: -0.18,得分:0.24).
对开放技能和密切技能运动的子组分析也为大多数EF措施提供了无意义的结果.
虽然在开放技能运动员的反应时间 (RT) 中观察到一些趋势,但总体发现表明缺乏显著的认知益处.

结论:

运动前或运动期间食用6-12%的碳水化合物溶液并不能显著缓解体力炼后执行功能 (EF) 的下降.
潜在的影响因素,如干预类型,剂量,施用方法和个体变异性,可能解释观察到的结果.

关键词:

运动员运动员运动员碳水化合物碳水化合物认知认知认知执行职能执行职能是指执行职能.运动就是炼身体.糖类糖类是一种糖类.

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