单独或与咖啡因结合后激活增强对拳击手无氧性能的影响:双盲,随机交叉研究
Yinkai Zhang1, Penglin Diao2, Jie Wang3
1China Wushu School, Beijing Sport University, Beijing 100084, China.
Nutrients
|January 23, 2024
概括
在Wingate测试中,激活后性能增强 (PAPE) 有效地提高了拳击手的平均功率. 将咖啡因添加到PAPE中进一步增强了峰值功率和感知力的努力,为运动员提供了实际的好处.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 人类表现的人类表现.
背景情况:
- 激活后性能增强 (PAPE) 是一种短暂的神经肌肉现象,可以提高随后的运动能力.
- 关于PAPE的研究,通常与咖啡因 (CAF) 结合,通常集中在短期,全力以赴的努力 (≤10秒).
- 在较长时间的无气体测试中,如Wingate无气体测试 (WAnT),PAPE协议的有效性仍然不太被探索,特别是在精英运动员中.
研究的目的:
- 为了研究PAPE协议对30秒的Wingate无氧试验 (WAnT) 在训练有素的拳击手中对咖啡因补充和没有咖啡因补充的影响.
- 为了比较单独PAPE与与咖啡因结合的PAPE对对照条件的影响.
主要方法:
- 这是一项双盲,随机交叉研究,涉及25名训练有素的男性拳击手.
- 三种实验条件:对照 (CON),PAPE+安慰剂 (PLA) 和PAPE+咖啡因 (CAF) (3毫克/公斤).
- PAPE协议包括在30秒WAnT (7.5%的体重) 之前10分钟进行10秒的自行车冲刺 (8.5%的体重).
主要成果:
- 与CON相比,PAPE + PLA显著提高了平均功率 (p=0.024) 和总工作 (p=0.022),同时增加了血液乳酸.
- 与CON相比,PAPE + CAF显著改善了平均功率 (p=0.001),峰值功率 (p=0.013),和总工作 (p=0.001),以及更高的血液乳酸和感知功率.
- 对于任何测量变量,在PAPE + PLA和PAPE + CAF条件之间没有发现显著差异.
结论:
- 一个PAPE协议,包括WAnT之前的10秒冲刺,有效地提高了训练有素的拳击手的平均功率输出.
- 与PAPE协议一起补充咖啡因 (3mg/kg) 放大了平均功率的改善,并额外增强了峰值功率和主观功率感知.
- 在运动前实施PAPE协议是改善拳击手无氧表现的可行策略,咖啡因可能会增加这些益处,特别是在峰值功率输出时.
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