taurine 与咖啡因结合对在低氧环境下重复冲刺运动表现和认知的影响
1Department of PE, Xi'an University of Finance and Economics, Xi'an, 710100, China.
Scientific reports
|February 13, 2025
概括
咖啡因和牛补充剂改善了运动员在缺氧训练期间疲的时间. 单独的咖啡因降低了感知到的劳动力和提高了认知功能,而咖啡因和氨酸的联合增加了血液中的乳酸盐水平.
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:
- 缺氧反复冲刺训练对团队体育表现的影响受到辩论.
- taurine 和咖啡因对运动性能缺氧的有效性需要进一步研究.
研究的目的:
- 检查咖啡因,牛素及其组合对模拟缺氧中的重复冲刺表现和生理反应的影响.
- 评估这些补充剂对认知功能和体力标志物的后疲劳运动影响.
主要方法:
- 这是一项双盲,交叉,随机对照试验,涉及16名男性大学足球运动员.
- 参与者服用了安慰剂,牛 (50毫克/公斤),咖啡因 (5毫克/公斤) 或牛和咖啡因的组合.
- 评估到耗尽的时间,功率输出,心率,血中的乳酸盐,SpO2,呼吸不良,RPE,Stroop测试和反运动跳跃.
主要成果:
- 与安慰剂相比,咖啡因和 taurine 联合显著改善了疲劳的时间.
- 咖啡因减少呼吸困难和RPE;咖啡因和联合补充剂增加了反运动跳跃高度.
- 咖啡因在低氧条件下改善了认知表现 (Stroop测试).
结论:
- 咖啡因和 taurine 联合会在缺氧时延长疲劳运动的持续时间,但不会提高随后的冲刺表现.
- 咖啡因补充剂在缺氧训练期间对认知功能产生积极影响.
- 需要对团队体育运动中缺氧运动的补充策略进行进一步的研究.
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