超越声:能量饮料是否提供比咖啡因更多的精神和身体任务?
Flavia Pereira1,2, Cassandra Evans3, Jose Rojas1,2
1Department of Health and Human Performance, Rocky Mountain University, Provo, Utah, USA.
International journal of exercise science
|September 11, 2024
概括
这项研究发现,能量饮料 (ED) 在训练有素个体的持续注意力,情绪或体力方面没有显著优于咖啡因匹配对照剂 (CAF). 在ED中的额外成分没有显示出除了单独的咖啡因之外的实质性益处.
科学领域:
- 运动科学 运动科学 运动科学
- 营养科学 营养科学
- 人类表现的人类表现.
背景情况:
- 能量饮料被广泛推销用于认知和身体增强,通常含有咖啡因以外的各种成分.
- 与单独咖啡因相比,能量饮料对训练有素人表现指标的具体影响需要进一步研究.
- 选择大猩猩思维 (ED) 是因为其复杂的成分概况超出了咖啡因.
研究的目的:
- 为了比较一种特定的能量饮料 (大猩猩的思想) 与咖啡因匹配的控制对持续的注意力,情绪和身体表现的影响.
- 为了确定能量饮料中的额外成分是否在训练有素的个体中提供了除了咖啡因之外的好处.
- 评估表现的情绪变化,持续的注意力,握手力和俯卧能力.
主要方法:
- 一个随机的,平衡的,交叉设计被采用了21名训练有素的参与者.
- 参与者完成了情绪评估 (情绪状态概况),持续的注意力 (精神运动警觉测试),手握强度和俯仰表现.
- 他们消耗了能量饮料 (ED) 或与咖啡因匹配的控制饮料 (CAF) (200毫克咖啡因),测试在45分钟后重复,然后在消耗替代饮料之前进行1周的洗期.
主要成果:
- 虽然能量饮料组反应时间有所改善,但ED和CAF条件之间的差异没有统计学意义 (p = 0.3391).
- 在情绪 (p = 0.152),手握强度 (p = 0.499) 或1分钟俯卧功率 (p = 0.209) 方面,ED和CAF组之间没有发现显著差异.
- 平均咖啡因剂量低于3.0mg/kg体重,这可能影响了观察到的结果.
结论:
- 测试能量饮料中的额外成分在运动训练的个体中没有表现出与咖啡因相匹配的对照对测量结果的显著性能益处.
- 未来的研究应该考虑剂量反应关系和不同咖啡因水平,以充分阐明能量饮料的影响.
- 研究结果表明,对于持续的注意力,情绪和体力,单独的咖啡因在这些条件下可能与在这个人群中测试的能量饮料一样有效.
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