改性粉对精神表现和体力活动的影响,在彻底炼后
Callie Herman1, Gustavo Sandri Heidner2, Laurel M Wentz3
1School of Osteopathic Medicine, Campbell University, Lillington, North Carolina, USA.
Physiological reports
|February 4, 2024
概括
与马尔托德克斯特林 (MAL) 相比,水热修饰粉 (HMS) 在消耗性运动后改善了身体耐力和精神表现. 补充HMS可以减少认知和身体疲劳,提高反应时间和大脑活动.
科学领域:
- 运动生理学 运动生理学
- 营养科学 营养科学
- 认知神经科学 认知神经科学
背景情况:
- 碳水化合物补充对于在长时间炼期间维持身体和认知功能至关重要.
- 水热修饰粉 (HMS) 提供缓释碳水化合物来源,可能比传统的补充剂,如麦芽素 (MAL) 更有效地减轻疲劳.
研究的目的:
- 为了研究HMS与MAL对体力耐力和认知表现在彻底炼后的影响.
- 评估这些补充剂对生理标志物和大脑活动的影响.
主要方法:
- 男性参与者接受了VO2max测试,并在70%的VO2max工作负载下完成了150分钟的骑自行车课程.
- 补充剂 (1克CHO/体重千克) 发生在运动前和120分钟后.
- 测量了认知功能 (Go-no-go,N-back任务),大脑活动 (EEG) 和生理标志物 (血糖,乳酸,).
主要成果:
- 与运动后的MAL相比,HMS显著增加了类水平 (p < 0.05).
- 补充HMS导致运动后认知任务的反应时间更快.
- 在心理任务中观察到明显的与事件相关的潜在差异,这表明大脑活动发生了变化.
结论:
- 与MAL相比,HMS补充剂显示出更强的能力,可以减少认知和身体疲劳在消耗性运动后的影响.
- 像HMS这样的缓释碳水化合物可能是耐力运动员经历疲劳的更有效的人体工程学辅助.
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