不同的缺血压对长椅压力练习中的条形速度的影响:一个随机交叉试验
Dawid Gawel1, Jakub Jarosz1, Robert Trybulski2
1Institute of Sport Sciences, Jerzy Kukuczka Academy of Physical Education in Katowice, Poland.
Biology of sport
|July 2, 2024
概括
在休息间隔中施加缺血或假压力不会影响长椅压力练习中的杆子速度. 这一发现表明,在抵抗训练组中,血流限制技术不会改变功率输出.
科学领域:
- 运动生理学 运动生理学
- 体育科学 运动科学 运动科学
- 生物力学 生物力学
背景情况:
- 血流限制 (BFR) 训练是增强肌肉缩和力量的一种流行的方法.
- 对于BFR对表现的急性测量,如棒速度的影响,尚未完全理解.
- 研究休息间隔期间缺血压的影响对于优化训练方案至关重要.
研究的目的:
- 为了评估不同缺血压在休息间隔期间施加的不同缺血压力在长椅压力练习期间对酒吧速度的影响.
- 为了确定静止期间动脉阻塞压力的不同水平是否影响平均和峰值棒速度.
- 为了比较不同缺血压力对假和对照条件的影响.
主要方法:
- 10名抵抗训练的雄性在他们的1次重复最大的60%时执行了长椅压力组.
- 测试了四种情况:50%的动脉封闭压力,80%的动脉封闭压力,假缺血 (20 mmHg) 和对照 (没有缺血).
- 缺血症被施加了6.5分钟,然后在每组之前进行了30秒的再注血.
主要成果:
- 没有发现条件和设置平均条形速度 (MV) 或峰值条形速度 (PV) 之间的显著相互作用.
- 条件对MV或PV没有主要影响.
- 缺血或假治疗,然后再注血,在长椅压力练习期间没有改变棒的速度.
结论:
- 休息间隔期间的缺血或假治疗不会影响长椅压力期间的平均和峰值杆速度.
- 施加的压力和再注射时间在练习组期间不会影响功率输出.
- 这些发现表明,在休息期间急性应用BFR可能对在抵抗训练的个体中保持棒速度没有好处.
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