甜菜汁或肌酸:哪一种在抵抗训练能力,表现和关键生理反应方面产生更大的短期益处?
Achraf Ammar1,2,3, Atef Salem1,2, Mohamed Kerkeni2,4
1Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, Mainz, Germany.
International journal of food sciences and nutrition
|February 17, 2026
概括
肌酸 (CR) 补充增强了抵抗训练的表现,而甜菜汁 (BJ) 提高了运动速度,并提供了更广泛的生理益处,包括更好的氧和和心率恢复.
科学领域:
- 运动生理学 运动生理学
- 营养生物化学 营养生物化学
- 运动科学 运动科学 运动科学
背景情况:
- 肌酸 (CR) 和甜菜汁 (BJ) 是增强运动表现的热门补充剂.
- 了解它们对抗力训练的独特生理影响对于优化运动策略至关重要.
研究的目的:
- 为了比较肌酸 (CR) 和甜菜汁 (BJ) 对抵抗训练表现和生理反应的短期影响.
- 评估CR和BJ对肌内氧和 (SmO2),心率 (HR) 和心率变化 (HRV) 的影响.
主要方法:
- 一个随机控制的交叉试验,涉及11名新手抵抗训练的男性.
- 参与者在肌酸,甜菜汁和安慰剂条件下完成了长椅压力和背.
- 评估性能,SmO2,峰值HR和HRV,以及个人适应模式.
主要成果:
- 与安慰剂相比,肌酸显著改善了在板压力中80%的1RM重复性能.
- 无论是CR还是BJ都提高了运动速度,而BJ表现出了更好的效果.
- 与安慰剂和肌酸相比,甜菜汁导致了更高的SmO2,更低的峰值HR,以及改善的自主恢复 (RMSSD).
- 调节分析显示,在BJ补充时,个体适应性更大.
结论:
- 肌酸补充剂优先提高阻力训练中的机械性能.
- 甜菜汁提供更广泛的心脏代谢和自主效益,以及提高运动速度.
- 与CR相比,BJ可能会在初学者抵抗训练的个体中引起更显著和更广泛的生理适应.
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