对传统和集群式坐训练的急性反应,有和没有血流限制
Pedro J Cornejo-Daza1,2,3, Juan Sánchez-Valdepeñas1,2, Jose Páez-Maldonado1,4
1Science Based Training Research Group. Department of Sports and Computers Sciences. Universidad Pablo de Olavide, Seville, Spain.
Journal of strength and conditioning research
|May 23, 2024
概括
与传统套装相比,集群套装可以减少坐训练期间的疲劳. 血流限制会加剧肌肉损伤,但将集群组与血流限制相结合可能会提高运动后的收缩速度.
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
- 强度和适应条件 强度和适应条件
背景情况:
- 了解对不同阻力训练集配置和血流条件的急性反应对于优化训练方案至关重要.
- 传统 (TRA) 和集群 (CLU) 设置结构,以及血流限制 (BFR),是具有明显生理影响的常见训练模式.
研究的目的:
- 为了比较急性生理和生物力学响应传统与集群式坐训练,无论是有没有血流限制.
- 研究设置配置和血液流量限制对神经肌肉疲劳,性能和肌肉机械性能的影响.
主要方法:
- 20名经受阻力训练的雄性进行了四个坐方案:TRA-free flow (FF),TRA-BFR,CLU-FF和CLU-BFR.
- 协议等同于相对强度 (60% 1RM),体积 (8重复的3组) 和休息 (每组2分钟).
- 测量包括推进力,速度,功率,EMG,张力学图,血乳酸,反运动跳跃和最大自愿收缩.
主要成果:
- 与传统组相比,集群组在运动期间保持了更好的推进力,速度,功率和EMG中位频率.
- 传统的套装导致运动后肌肉机械特性,表现 (坐和CMJ) 和更高的血液乳酸盐水平的更大损害.
- 血液流量限制降低了张力图变量,而BFR和集群组合显示了缩时间的最大减少.
结论:
- 与传统套装相比,集群套装在坐训练期间和之后有效地减少神经肌肉疲劳.
- 血流限制会加剧运动后肌肉机械性质的损伤.
- 集群集和血流限制的组合可以提高运动后的肌肉收缩速度.
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