在初步研究中,急性甜菜汁补充和运动对健康男性心血管功能的影响:随机,双盲,安慰剂控制和交叉试验
Xie Yuschen1, Jae-Ho Choi1, Jisoo Seo1
1Department of Sports Medicine and Science, Graduate School, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
Healthcare (Basel, Switzerland)
|July 13, 2024
概括
富含酸盐的甜菜汁 (NRBRJ) 补充剂可以提高运动能力和心血管功能. 这项研究发现,NRBRJ在亚最大运动期间比安慰剂更多地改善了有氧性能和血管健康标志物.
科学领域:
- 运动科学 运动科学 运动科学
- 心血管生理学心血管生理学
- 营养生物化学 营养生物化学
背景情况:
- 富含酸盐的甜菜汁 (NRBRJ) 越来越多地用于提高运动表现和心血管健康.
- NRBRJ补充剂和运动对心血管功能的综合影响需要进一步研究.
研究的目的:
- 为了比较NRBRJ补充剂与安慰剂 (PLA) 对健康男性在次最大运动期间心血管功能的影响.
主要方法:
- 十二名健康男性在70%的最大心率 (HRmax) 时接受了30分钟的亚最大自行车试验.
- 参与者被随机分配给接受NRBRJ或PLA补充剂.
- 测量了心血管参数 (HR,SV,CO,BP,MAP,TPR),臂脚脉冲波速度 (baPWV) 和流媒体扩张 (FMD).
主要成果:
- 与PLA相比,NRBRJ补充剂增加了运动负载,降低了腹压血压 (DBP) 和平均动脉压 (MAP).
- 腕脉冲波速度 (baPWV) 在NRBRJ组运动后下降,低于PLA组.
- 流媒扩张 (FMD) 在两组都显著增加,但在运动前和运动后NRBRJ补充剂时更高.
结论:
- 与运动相结合的急性NRBRJ补充剂改善了健康男性的有氧运动能力.
- 与安慰剂相比,NRBRJ补充剂对心血管功能有更好的影响,包括增加血管反应能力和减少动脉硬性.
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