急性甜菜汁补充剂没有提高训练有素的橄球运动员间歇性跑步表现
Ozcan Esen1,2, Raci Karayigit3, Daniel J Peart1
1Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle-upon-Tyne, UK.
European journal of sport science
|July 3, 2023
概括
急性酸盐食补充剂没有改善训练有素的橄球运动员间歇性跑步或跳跃的表现. 虽然酸盐水平增加了,但它并没有提高对橄球需求的身体能力.
科学领域:
- 体育科学 运动科学 运动科学
- 营养生物化学 营养生物化学
- 运动生理学 运动生理学
背景情况:
- 饮食中酸盐 (NO3-) 补充剂正在探索运动员的 ergogenic 潜力.
- 它对橄球间歇性高强度需求的具体影响尚不清楚.
- 了解酸盐的作用对于优化运动表现策略至关重要.
研究的目的:
- 研究急性酸盐补充剂对橄球运动员间歇性运动能力的影响.
- 为了评估酸盐对修改的Yo-Yo间歇恢复1级 (IR1) 测试中的性能的影响.
- 为了评估补充后反运动跳跃 (CMJ) 性能变化.
主要方法:
- 一个随机,双盲,安慰剂控制的交叉试验,涉及12名训练有素的男子橄球运动员.
- 参与者接受了富含酸盐的甜菜汁 (BRJ) 或酸盐贫乏的安慰剂 (PLA).
- 通过修改的Yo-Yo IR1测试和运动前后CMJ测量来评估表现.
主要成果:
- 血中酸盐 (NO3-) 和酸盐 (NO2-) 度在与PLA相比,在BRJ补充后显著增加.
- 在BRJ和PLA试验之间没有观察到修改的Yo-Yo IR1测试性能的显著差异.
- 反运动跳跃 (CMJ) 的高度在训练前和训练后两种条件下保持不变.
结论:
- 急性高剂量酸盐补充剂有效地增加了橄球运动员的血酸盐和酸盐水平.
- 这种补充并没有显著改善间歇性运行能力或爆炸功率 (CMJ).
- 研究结果表明,急性酸盐补充剂可能不是有效的人体工程学辅助剂,用于提高训练有素的男性橄球运动员的体力表现.
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