肌酸,咖啡因和可变电阻对年轻足球运动员重复冲刺能力的综合影响
Álvaro Huerta Ojeda1, Carlos Jorquera-Aguilera2
1Núcleo de Investigación en Salud, Actividad Física y Deporte ISAFYD, Universidad de Las Américas, Viña del Mar 2531098, Chile.
结合肌酸,咖啡因和序列内可变电阻 (I-sVR) 并没有改善年轻足球运动员的重复冲刺能力 (RSA). 对这些绩效提升策略的个人反应需要进一步调查.
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
- 营养生物化学 营养生物化学
背景情况:
- 肌酸和咖啡因补充剂是众所周知的人体工程学辅助剂.
- 序列内可变电阻 (I-sVR) 是在激活后性能增强周期 (PAPE) 中的一种预激活技术.
- 这些干预措施对年轻足球运动员反复冲刺能力 (RSA) 的综合影响尚不清楚.
研究的目的:
- 研究肌酸,咖啡因和I-sVR对年轻足球运动员RSA表现的总和和隔离效应.
- 为了确定这些因素是否单独或组合地提高性能.
主要方法:
- 28名年轻的足球运动员参加了一项双盲,安慰剂对照的研究.
- 参与者被分配到四组,接受不同组合的肌酸,咖啡因和I-sVR或安慰剂.
- 干预措施包括14天的肌酸补充剂,每日咖啡因摄入量,以及特定的半背 (HBS) 预激活协议与I-sVR.
主要成果:
- 两组之间没有发现RSA测试性能或HBS结果的显著差异.
- 肌酸,咖啡因和I-sVR的组合并没有对身体表现产生显著的总体效应.
- 对特定方案的个人反应没有进行统计分析,但被认为是重要的.
结论:
- 肌酸,咖啡因和I-sVR的联合使用似乎没有提高年轻足球运动员的重复冲刺能力.
- 进一步的研究应该探讨运动员对这些人体生效辅助剂和预激活策略的个人反应.
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