酸盐食补充剂对抵抗运动表现的影响:剂量反应研究
Rachel Tan1, Isabella G Lincoln2, Keonabelle K Paniagua2
1Department of Sports Medicine, Natural Sciences Division, Pepperdine University, 24255 Pacific Coast Highway, Malibu, CA, 90263, USA. rachel.tan@pepperdine.edu.
European journal of applied physiology
|April 24, 2025
概括
来自甜菜汁的食酸盐 (NO3-) 并没有提高训练有素男性的抵抗运动表现. 这项研究发现,在不同剂量的酸盐中,跳跃或提升没有显著改善,这表明它可能不是这种类型训练的有效人体工程学辅助.
科学领域:
- 运动科学 运动科学 运动科学
- 营养生理学 营养生理学
- 运动生理学 运动生理学
背景情况:
- 已知饮食中酸盐 (NO3-) 可以增强骨肌肉功能和爆炸性运动表现.
- 关于最佳酸盐剂量及其对抵抗运动表现的影响的研究有限.
研究的目的:
- 为了研究富含酸盐的甜菜汁对抗力运动期间神经肌肉性能的剂量反应效应.
- 为了确定甜菜汁补充是否可以提高抵抗训练的个体的表现.
主要方法:
- 18名经过抵抗训练的男性参与了一项双盲,随机,交叉研究.
- 参与者服用了甜菜汁与不同剂量的酸盐 (0,6,12,24 mmol) 或安慰剂.
- 在摄入后2.5小时,通过反运动跳跃,背和长椅压力来评估表现.
主要成果:
- 血中酸盐和酸盐水平随着甜菜汁的消费而增加,以剂量依赖的方式.
- 在所有条件下,在反运动跳跃,背或长椅压力方面没有观察到显著的性能差异.
- 在使用最低的酸盐剂量时,血中酸盐变化和在坐时提高的功率/速度之间发现了相关性,但在使用较高剂量或进行其他运动时没有相关性.
结论:
- 饮食中酸盐补充剂,即使在高达24毫摩尔的剂量中,似乎不会在训练有素的男性中提高抵抗运动期间的神经肌肉性能.
- 这些发现表明,酸盐的人体效应可能是特定于运动类型或个体反应的,而不是普遍适用于抵抗训练.
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