在 Squat 训练中对不同提升速度的急性反应,有或没有血流限制
Pedro Jesús Cornejo-Daza1,2,3, Juan Sánchez-Valdepeñas1,4, Jose Páez-Maldonado1,5
1Science Based Training Research Group, Department of Sports and Computers Sciences, Pablo de Olavide University, Seville, Spain.
Journal of strength and conditioning research
|December 23, 2024
概括
在式训练期间,最大的提升速度提高了性能和肌肉激活. 坐期间的血流限制 (BFR) 降低了力和功率输出,增加了代谢压力和运动后的性能受损.
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
- 生物力学 生物力学
背景情况:
- 了解不同提升速度和血液流量限制 (BFR) 对式训练期间生理反应的急性影响,对于优化训练方案至关重要.
- 以前的研究已经独立地探索了这些变量,但需要直接比较它们对机械,代谢和神经肌肉结果的综合影响.
研究的目的:
- 为了比较急性机械,代谢,神经肌肉和肌肉机械反应最大与半最大的提升速度在式训练.
- 调查自由流 (FF) 与血流限制 (BFR) 条件对这些反应的影响.
主要方法:
- 20名经过阻力训练的男性完成了四个坐方案,不同的提升速度 (最大与半最大) 和血流状况 (FF与BFR在50%的动脉封闭压力下).
- 关键指标包括平均推进力,速度,功率,电肌图,血乳酸和各种机械性能测试在运动前和运动后进行评估.
主要成果:
- 与半最大速度 (HalfV) 协议相比,最大速度 (MaxV) 协议显示出明显更大的力,速度,功率和肌肉激活.
- 自由流动 (FF) 条件导致运动期间的推进力和功率高于血流限制 (BFR).
- BFR 协议导致运动后血中乳酸的增加,更大的性能损害和较高的代谢压力.
结论:
- 在式训练期间,最大的提升速度会引起卓越的机械和神经肌肉反应.
- 在坐运动期间血流的限制会减弱力量和功率的产生,并加剧运动后的性能下降和代谢压力.
- 这些发现表明,提升速度和BFR显著调节急性训练反应,为强度和条件的运动处方提供信息.
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