碳酸改善了CrossFit® Benchmark Fran,但没有改善随后的500米划船表现
Ricardo Augusto Silva de Souza1,2,3, Gabriel Barreto3, Peterson Adriano Alves Freire1
1Nutrition Department, University of Lavras, Lavras, Brazil.
Research in sports medicine (Print)
|March 14, 2024
概括
碳酸 (SB) 补充剂在训练有素运动员的CrossFit®基准法兰训练中提高了表现. 然而,SB并没有提高随后的500米划船表现,这表明对高强度的CrossFit®任务有特定的好处.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
- 人类表现的人类表现.
背景情况:
- 克罗斯菲特运动需要高强度的努力,通常受到代谢酸性疾病的限制.
- 碳酸 (SB) 是一种已知的 ergogenic 辅助剂,可以缓冲酸性疾病.
- 对于运动员来说,了解SB在复杂的CrossFit®协议中的影响至关重要.
研究的目的:
- 调查二碳酸 (SB) 补充剂对身体表现的影响.
- 在CrossFit®运动协议期间评估神经肌肉和代谢反应.
- 为了评估SB在高强度任务和耐力运动的有效性.
主要方法:
- 随机,双盲,安慰剂控制的交叉研究,对17名CrossFit®训练的运动员进行.
- SB (0.3 g/kg BM) 或安慰剂在运动前120分钟内摄入.
- 运动方案包括CrossFit®基准"Fran",然后进行500米的划船.
主要成果:
- 与安慰剂相比,SB显著改善了完成"Fran"的时间 (p=0.047).
- 在SB和安慰剂 (p=0.26) 之间没有观察到500米划船性能的显著差异.
- 没有报告SB补充的实质性副作用.
结论:
- 碳酸补充剂可以提高高强度"Fran"CrossFit®基准表现.
- 在这种情况下,SB似乎不有利于随后的500米划船表现.
- 对于特定的CrossFit®性能要求,SB可能是一个可行的人体工程学辅助器.
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