咖啡因和青对阻力运动速度和功率的急性影响
Bela Scapec1, Jozo Grgic2, Dorian Varovic1
1Faculty of Kinesiology, University of Zagreb, Zagreb, Croatia.
Frontiers in physiology
|March 11, 2025
概括
单独的咖啡因,但不是,在第一组运动中提高了阻力运动的速度和功率. 咖啡因的这些人体效应在随后的组中没有持续,这表明对整体抵抗训练的益处有限.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 营养补充剂 营养补充剂
背景情况:
- 咖啡因是一种广泛使用的 ergogenic 辅助剂,已知可以提高运动表现.
- (乙氨基) 是一种止痛药,其在阻力运动中的潜在人体效应不太清楚.
- 咖啡因和偏醇对抗力运动表现的联合作用需要进一步研究.
研究的目的:
- 研究咖啡因和青对抗力运动中的速度和功率的单独和联合作用.
- 在训练有素的个体中确定咖啡因和青补充剂的人体营养潜力.
主要方法:
- 一项随机,双盲,安慰剂控制的交叉研究,涉及28名经过抵抗训练的参与者.
- 参与者服用了安慰剂,咖啡因 (3毫克/公斤),片 (1,500毫克),或两者的组合.
- 板压表现被评估为速度和功率在三套在75%的一次重复最大的速度.
主要成果:
- 与安慰剂相比,单独摄入咖啡因显著增加了第一组的平均速度和平均功率.
- 在任何条件下,在第二或第三组中都没有观察到速度或功率的显著差异.
- ,单独或与咖啡因结合,并没有提高抵抗运动的表现.
结论:
- 孤立的咖啡因补充剂可能会在最初的抵抗运动中为速度和功率提供暂时的人体效益.
- 青似乎对抗力运动的表现没有人体效应,即使与咖啡因相结合.
- 这些发现表明,像白醇这样的止痛药可能无法有效地改善抵抗运动的结果.
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