无机酸盐补充剂对运动训练反应的有限影响:系统审查和元分析
Austin C Hogwood1, Kara C Anderson2, Joaquin Ortiz de Zevallos2
1Department of Kinesiology, School of Education and Human Development, University of Virginia, Charlottesville, VA, 22904, USA. Ach2jb@virginia.edu.
Sports medicine - open
|September 11, 2023
概括
与运动训练相结合的无机酸盐 (NO3-) 补充剂并没有显著改善VO2峰或耗尽时间 (TTE). 在健康人群中观察到一种增强VO2peak的潜在趋势,这些人食用了甜菜汁.
科学领域:
- 运动科学 运动科学 运动科学
- 营养科学 营养科学
- 运动生理学 运动生理学
背景情况:
- 无机酸盐 (NO3-) 正在研究其提高运动表现的潜力.
- 与单独的运动训练相比,其对长期训练适应的影响,例如VO2峰和疲劳时间 (TTE),仍然不清楚.
研究的目的:
- 系统地审查和元分析NO3-补充剂与运动训练对VO2峰和TTE的影响.
- 确定影响这些结果的因素.
主要方法:
- 在PubMed,Medscape和Web of Science系统搜索随机的安慰剂对照试验 (RCT),培训持续时间至少为三个星期.
- 包括的研究包括匹配的基线VO2峰和相同的培训协议.
- 评估研究质量是使用Cochrane偏差风险2进行的,并进行了元回归和子组分析.
主要成果:
- 分析了9项研究 (11项试验,n=228).
- 与安慰剂相比,NO3-补充剂并没有显著改善VO2峰 (SMD: 0.18; p=0.19) 或TTE (SMD: 0.08; p=0.58).
- 在健康的参与者服用甜菜汁 (BRJ) 中,发现了改善VO2peak的趋势.
结论:
- NO3-补充剂与运动训练相结合可能不会为VO2峰或TTE提供显著的益处.
- 未来的研究需要更大的样本大小,标准化的方法,更长的干预,并考虑性别作为一个生物变量.
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