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在训练有素的年轻男子中,积极的缺血预调并没有在与摄入咖啡因相结合时增加短期高强度骑自行车的表现

Søren Jessen¹, Martin Zeuthen¹, Jan Sommer Jeppesen¹

¹The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark.

European journal of sport science

|June 14, 2024

概括

缺血预调 (IPC) 不会提高骑自行车的表现,即使是咖啡因. 咖啡因单独改善训练有素的男性的平均功率输出 (MPO),但IPC对短期高强度运动没有额外的好处.

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
人类表现的人类表现.

背景情况:

缺血预先调节 (IPC) 是一种现象,短暂的缺血保护组织免受随后更长时间的缺血攻击.
作为运动员的 ergogenic 辅助剂的 IPC 的有效性,特别是与咖啡因等其他提高绩效的策略结合使用,仍在调查中.

研究的目的:

调查缺血预调 (IPC) 和咖啡因补充剂在4分钟骑自行车计时试验 (TT) 中对平均功率输出 (MPO) 的联合和独立影响.
为了确定IPC是否能提高受过训练的个体的短期高强度运动表现.

主要方法:

这是一项双盲,随机,交叉研究,涉及11名训练有素的男性骑自行车者.
参与者在四个条件下完成了4分钟的TT:安慰剂+假IPC,安慰剂+IPC,咖啡因+假IPC和咖啡因+IPC.
IPC涉及3x2分钟的低强度自行车与大腿部血流限制;假的涉及最小的限制.

主要成果:

与安慰剂相比,咖啡因补充剂显著增加了7W的MPO (p=0.015).
在安慰剂+假IPC和安慰剂+IPC条件 (p=0.848) 之间,MPO没有显著差异.
当IPC与咖啡因相结合时,与单独的咖啡因相比,没有观察到添加性能的益处.

结论:

缺血预调 (IPC) 没有改善训练有素的男性短期高强度骑自行车的表现.
在这种情况下,咖啡因补充是一种有效的人体营养辅助剂,可以改善MPO.
在这种类型的运动中,IPC与咖啡因一起摄入时不会提供额外的益处.

关键词:

血流的限制血流的限制这是一个尾酒尾酒.骑自行车的运动补充补充补充补充补充热身战略的热身策略.

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