对三个血液流量受限间隔运动方案的急性生理和感知反应:一个随机对照试验
Man Tong Chua1, Alexiaa Sim1, Stephen Francis Burns1
1Physical Education and Sports Science, National Institute of Education, Nanyang Technological University, Singapore.
概括
在高强度间歇运动之间休息期间的血液流量限制 (BFR) 会增加生理压力,而不会改变运动强度或感知. 然而,在中等强度运动期间的BFR提高了生理和感知反应,超过了高强度运动.
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
- 生物医学工程 生物医学工程
背景情况:
- 血流限制 (BFR) 是一种用于在运动期间增强训练刺激的技术.
- 了解BFR与间歇运动相结合的急性生理和感知反应,对于优化训练方案至关重要.
研究的目的:
- 为了研究急性生理和感知反应,三个不同的下肢BFR与间歇运动协议相结合.
- 为了比较休息期间应用的BFR与运动期间在不同强度和阻塞压力下应用的BFR的影响.
主要方法:
- 24名男性运动员完成了四个随机交叉条件:高强度控制 (HI),高强度恢复闭塞 (HIRO),中等强度低闭塞 (MILO) 和中等强度高闭塞 (MIHO).
- 运动方案包括三组五个30秒的自行车间隔,30秒的积极恢复,间隔3分钟的坐姿休息.
- 生理学测量包括组织和指数,脱氧血红蛋白,氧血红蛋白,总血红蛋白,心率,血液中的乳酸盐和巨大的横肌肉活动. 还记录了感知反应 (疼痛,炼).
主要成果:
- 与其他条件相比,HIRO在恢复期间显示了较低的组织和指数和较高的脱氧血红蛋白,氧血红蛋白和总血红蛋白.
- HIRO导致了与第二组相比心率显著上升,以及运动后血中乳糖水平升高.
- 在运动期间,MIHO诱导了较大的肌肉脱氧和较低的肌肉激活,与其他条件相比,感知疼痛和劳动力更高.
结论:
- 在高强度运动的休息间隔中应用BFR会增加生理压力,而不会影响运动强度或感知负载.
- 在中等强度运动中加入BFR可以增加生理和感知反应,可能超过没有BFR的高强度运动.
- 这些发现表明,BFR应用的时间和强度显著调节间歇运动期间的急性训练反应.
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