急性和中度咖啡因剂量对运动登表现的影响:一项随机对照试验
Alejandra Ruiz-López1, Juan Jesús Montalvo-Alonso1, Iván Martín-Rivas1
1Departmento de Ciencias Biomédicas, Área de Educación Física y Deportiva, Faculty of Medicine and Health Sciences, University of Alcalá, 28801 Madrid, Spain.
Nutrients
|January 28, 2026
概括
低剂量的咖啡因 (3 mg/kg) 在中级爬山者的拉力或抓地力测试中没有改善爬性能. 虽然主观的能量感受增加了,但客观的力量和耐力测量仍然不受咖啡因补充的影响.
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
- 营养补充剂 营养补充剂
背景情况:
- 咖啡因是众所周知的各种体育运动的 ergogenic 辅助剂,但其对运动登的影响尚未得到充分研究.
- 运动登需要独特的身体属性,如握力,力量和肌肉耐力.
- 这项研究调查了低剂量咖啡因对登特定性能指标的影响.
研究的目的:
- 为了确定3毫克/公斤咖啡因剂量对登特定性能的急性影响.
- 评估咖啡因对拉力表现 (1RM,功率,耐力) 和握力指标的影响.
- 为了评估登山者对咖啡因的主观心理生理反应.
主要方法:
- 一个三盲,随机的交叉设计被用在13名中级高级男性登山者身上.
- 参与者完成了两个试验:一个是咖啡因 (3毫克/公斤),一个是安慰剂.
- 使用拉力测试 (1RM,功率,耐力) 和抓地测试 (死挂时间,强度,RFD) 来测量性能.
主要成果:
- 补充咖啡因并没有显著提高任何客观的登性能变量.
- 观察到峰值功率的非显著增加,但对耐力和握力的影响是微不足道的或稍微负面的.
- 参与者报告说,咖啡因增加了力量,能量和警觉的主观感觉.
结论:
- 3毫克/公斤的咖啡因剂量在登山者中对拉力或抓地力性能没有提供统计或实践上显著的 ergogenic 益处.
- 咖啡因改变了主观的心理和生理状态,但未能转化为客观的性能改善.
- 未来的研究应该探索更高的咖啡因剂量或不同的运动特异性性能测试登山者.
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