多成分运动前食补充剂对未经训练的男性无氧性能的急性影响:一项随机,交叉,单盲研究
Aleksander Drwal1, Tomasz Pałka1, Lukasz Tota1
1Department of Physiology and Biochemistry, University of Physical Education, Kraków, Poland.
BMC sports science, medicine & rehabilitation
|June 9, 2024
概括
这项研究发现,多种成分的运动前补充剂 (MIPS) 在未经训练的男性中显著改善了无氧性能的表现. 在Wingate测试期间,MIPS增强了峰值和平均功率输出,表明了更好的运动能力.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
- 营养生物化学 营养生物化学
背景情况:
- 多种成分的运动前补充剂 (MIPS) 结合了各种化合物来增强生理机制和运动表现.
- 这些补充剂可以提供协同效应,从而改善运动结果.
- 对于运动员和教练来说,了解特定MIPS配方对无氧能力的急性影响至关重要.
研究的目的:
- 评估含有β-氨酸,氨酸,咖啡因,L-氨酸和氨酸的MIPS对无氧性能的急性影响.
- 评估MIPS摄入后在超大极限全力运动测试期间关键性能指标的变化.
- 为了确定这种特定MIPS配方在增强无氧输出功率方面的有效性.
主要方法:
- 采用了一种随机,交叉,单盲研究设计.
- 12名健康,未受过训练的男性参与了这项试验,接受了两次测试,隔一天时间.
- 参与者完成了20秒的Wingate无氧试验,测量包括总工作,峰值功率,平均功率,达到峰值功率的时间和功率下降,在服用MIPS或安慰剂后.
主要成果:
- 在Wingate测试中,MIPS显著提高了峰值功率 (p=0.009,ES=0.77) 和平均功率 (p=0.04,ES=0.62).
- 观察到达到峰值功率的时间有显著改善 (p=0.003,ES=0.88),这表明增强了力量发展的速度.
- 总工作和功率下降没有受到MIPS消耗的显著影响 (p>0.05).
结论:
- 经过测试的多成分预训练补充剂有效提高无氧性能,特别是改善功率输出指标.
- 观察到的改善很可能归因于更快的肌肉激活和力量产生,正如峰值功率的缩短时间所表明的那样.
- 这种MIPS配方表明,它有可能成为寻求提高无氧能力的个体的 ergogenic 辅助.
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