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不同食补充剂对游泳表现的影响:系统性审查和网络元分析
Dongxiang Huang1,2, Xiaobing Wang1, Hideki Takagi3
1School of Physical Education, Shaoguan University, Shaoguan 512005, China.
Nutrients
|January 11, 2025
概括
营养补充剂可以提高游泳表现. L-氨酸改善了100万倍,β-氨酸提高了血液中的乳酸盐清除,酸碳酸的肌酸优化了血液pH.
科学领域:
- 运动科学 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:
- 游泳者经常使用营养补充剂.
- 提高游泳表现的各种补充剂的有效性需要进一步研究.
研究的目的:
- 评估和比较不同基于营养的干预措施对游泳表现的有效性.
- 利用了直接和间接比较的元分析方法.
主要方法:
- 在主要的科学数据库中进行系统的文献搜索,直到2024年4月.
- 使用Cochrane偏差风险工具评估偏差风险.
- 采用随机效应模型来计算标准化平均差异和置信区间.
主要成果:
- 氨酸显著减少了100米游泳时间 (SMD = -1.66).
- 在改善血中的乳酸盐水平方面,β-氨酸最有效 (SUCRA = 80%).
- 与二碳酸结合的肌酸最有效地提高了血液pH值 (SUCRA = 99.9%).
结论:
- 食补充剂显示了改善游泳表现的潜在好处.
- 建议使用L-氨酸来增强100米冲刺的时间.
- 与二碳酸一起的β-氨酸和肌酸对于特定的生理改善是有效的.
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