在训练有素的男性中进行血流受限的抵抗运动:唾液生物标志物反应和氧和动力学
Drake A Eserhaut1, Joseph M DeLeo, Andrew C Fry
1Jayhawk Athletic Performance Laboratory, Wu Tsai Human Performance Alliance, University of Kansas, Lawrence, Kansas.
Journal of strength and conditioning research
|January 14, 2025
概括
与被动BFR或标准抵抗运动相比,受过训练的男性的血流限制阻力运动 (BFR+RE) 显著增加了心血管和唾液压力标志物. 此外,BFR+RE还会影响骨肌肉在两组之间恢复氧气.
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
- 生物化学 生物化学
背景情况:
- 血液流量限制 (BFR) 越来越多地用于抵抗训练.
- 它对高度训练有素个体的生理标记的影响需要进一步研究.
- 了解这些反应对于优化训练协议至关重要.
研究的目的:
- 为了比较心血管和唾液生物标志物响应在被动BFR (pBFR),BFR阻力炼 (BFR+RE) 和体积匹配阻力炼 (RE) 期间.
- 在这些条件下检查骨肌氧和 (SmO2) 动力学.
- 评估在训练有素的男性中持续BFR+RE的急性生理影响.
主要方法:
- 在19名训练有素的男性中,采用了对象内部的重复测量设计.
- 参与者接受了三个条件:pBFR,BFR+RE到任务失败,以及量匹配的RE.
- 评估了心血管测量,唾液生物标志物 (皮质醇,α-氨基酶),血液乳酸和SmO2.
主要成果:
- 与pBFR和RE相比,BFR+RE显著增加了心率,心缩和腹缩血压.
- 血液乳酸,唾液皮质醇和α-氨基酶在BFR+RE后显著增加.
- 骨肌的氧和度 (SmO2) 在BFR+RE中与RE相比显示了的间隔再和率.
结论:
- 连续的BFR+RE显著放大了训练有素的男性的急性生理应激反应.
- 这些反应比单独使用pBFR或体积匹配RE更为明显.
- BFR+RE更强烈地影响心血管,内分泌和肌肉氧化标志物.
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