短期甜菜汁补充剂增强力量,减少疲劳,促进身体活跃个体的恢复:一个随机,双盲,交叉试验
Atef Salem1,2, Achraf Ammar1,2,3, Mohamed Kerkeni1,4
1High Institute of Sport and Physical Education of Sfax, University of Sfax, Sfax 3000, Tunisia.
Nutrients
|May 28, 2025
概括
短期服用甜菜汁 (BJ) 补充剂可以提高抵抗训练的性能和肌肉氧化. 它还可以减少心血管应变,加速恢复,使其成为运动员的实用策略.
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:
- 众所周知,甜菜汁 (BJ) 的食酸盐对耐力运动有好处.
- 关于BJ对抵抗训练表现和恢复的短期影响的研究有限.
研究的目的:
- 为了研究短期BJ补充剂对力量表现,心血管反应,肌肉氧化和抵抗训练的男性恢复的影响.
主要方法:
- 12名经过抵抗训练的男性参与了一项双盲,安慰剂控制的研究.
- 参与者补充了BJ (450毫克酸盐/天) 或安慰剂三天,测试会评估不同强度的阻力练习 (背,长椅压力).
- 测量包括重复到失败,运动速度,肌肉氧化 (SmO2),心率 (HR),心率变化 (HRV),跳跃性能和延迟发作的肌肉疼痛 (DOMS).
主要成果:
- 甜菜汁补充剂显著增加了背和长椅压力80%的1RM失败的重复率.
- 与安慰剂相比,BJ的峰值运动速度在所有强度方面都有所改善.
- 肌肉氧化 (SmO2) 与BJ更高,特别是在更高的强度和72小时后.
- 心血管应变减少 (较低的峰值HR,改善HRV),恢复速度更快 (改善跳跃性能,减少DOMS).
结论:
- 短期服用甜菜汁补充剂可以提高高强度阻力运动的性能.
- 健身健身可以改善肌肉的氧化,并在抵抗训练期间减少心血管应变.
- 补充剂加快神经肌肉恢复并减少肌肉疼痛,这表明运动员在强度训练期间的实际应用.
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