酸改善氧化能量贡献,并减少高强度间歇性运动期间的酸贡献
Henrique Silva Sacramento1, Lucas Chalegre da Silva1, Marcelo Papoti2
1Federal University of Pernambuco.
Research quarterly for exercise and sport
|September 9, 2024
概括
急性酸盐补充剂在高强度间歇性运动 (HIIE) 期间增加氧化能量贡献 (COXI). 这种酸盐摄入量也减少了脂蛋白贡献 (CPCr),这表明运动员的能量效率有所提高.
科学领域:
- 运动生理学 运动生理学
- 营养生物化学 营养生物化学
- 运动科学 运动科学 运动科学
背景情况:
- 高强度间歇性运动 (HIIE) 对能源系统提出了重大要求.
- 已知酸盐补充会影响氧气动力学和能量代谢.
- 了解急性酸盐在HIIE期间对特定能量贡献的影响对于运动性能优化至关重要.
研究的目的:
- 研究急性酸盐 (SN) 补充剂在HIIE期间对氧化 (COXI),脂蛋白 (CPCr) 和糖性 (CLAC) 能量贡献的影响.
- 为了确定SN补充是否会在重复的最大力度运动中改变整体能源系统贡献.
主要方法:
- 15名身体活跃的受试者进行了增量跑步测试和两个随机HIIE会话 (10x1分钟最大有氧速度,1分钟恢复).
- 在HIIE会议之前,受试者接受了酸盐 (SN) 或安慰剂 (PL).
- 能量贡献 (COXI,CPCr,CLAC) 用重复测量ANOVA和学生t测试进行了分析.
主要成果:
- 与安慰剂相比,酸盐补充剂在HIIE期间显著增加了氧化能量贡献 (COXI).
- 在SN补充后,脂蛋白的贡献 (CPCr) 显著降低.
- 在SN和PL条件下,总能量的贡献并没有显著不同,但氧化和脂蛋白系统之间的平衡发生了变化.
结论:
- 急性酸盐补充剂在高强度间歇性运动期间增强氧化能量的贡献.
- 观察到的脂蛋白贡献的减少表明,酸盐摄入提高了能量效率.
- 在强度炼期间,SN补充可能是一种可行的策略,可以调节能量系统利用率.
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