在反复冲刺运动中持续限制血液流动会增加周围的,但不是系统的生理和感知需求
James R Mckee1,2, Olivier Girard3, Jeremiah J Peiffer1,2
1Physical Activity, Sport and Exercise (PHASE) Research Group, School of Allied Health (Exercise Science), Murdoch University, Perth, Western Australia, Australia.
European journal of sport science
|June 14, 2024
概括
在重复冲刺运动 (RSE) 期间持续的血流限制 (BFR) 显著降低了性能和肌肉活动. BFR增加了外周生理和感知压力,这表明尽管系统需求较低,但无氧依赖性更大.
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:
- 血液流量限制 (BFR) 越来越多地用于训练和康复.
- 它对重复冲刺运动 (RSE) 中急性表现和生理反应的影响需要进一步阐明.
- 了解这些影响对于优化团队运动运动员训练方案至关重要.
研究的目的:
- 调查RSE期间连续BFR对急性表现的影响.
- 在BFR-RSE期间评估外周,全身生理和感知反应.
- 为了比较运动员在BFR和非BFR条件之间的这些反应.
主要方法:
- 一个随机的交叉设计,涉及26名半职业和业余男性团队体育运动员.
- 参与者完成了两个RSE会议:一个是连续BFR (45%的动脉封闭) 和一个没有 (非BFR).
- 测量包括输出功率,组织和指数,肌电图,氧气消耗,通风和感知反应.
主要成果:
- 在BFR-RSE期间,平均和峰值输出功率显著下降.
- 在特定肌肉中,BFR显著降低了最低组织和指数和电肌图根平均平方.
- 使用BFR,氧气消耗和每分钟通风减少,而感知到的肢体不适则更高.
结论:
- 在RSE期间持续的BFR会损害急性表现,并改变周围生理反应.
- BFR似乎增加了周围的生理和感知刺激,可能增强无氧糖解.
- 系统生理需求可能相似或减少,尽管性能下降和外围压力增加.
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