代谢应激对高负荷运动对肌肉损伤,炎症和荷尔蒙反应的影响
Séverine Stragier1,2, Jacques Duchateau2, Frédéric Cotton3
1Research Unit in Cardio-Respiratory Physiology, Exercise & Nutrition, Faculty of Human Movement Sciences, Université libre de Bruxelles, 1070 Brussels, Belgium.
Sports (Basel, Switzerland)
|April 25, 2025
概括
高负荷力量训练与短暂的休息时间显著增加血液乳酸,炎症标志物和荷尔蒙反应. 这种增加的代谢压力可能会推动更大的训练适应.
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:
- 代谢压力是力量训练适应的一个关键因素.
- 了解不同训练方案的生理影响对于优化表现至关重要.
研究的目的:
- 为了比较两种高负荷强力训练方法 (3/7和8x6) 对生理反应的不同代谢需求的影响.
- 研究代谢压力,肌肉损伤,炎症和荷尔蒙变化之间的关系.
主要方法:
- 参与者进行了高负荷力量训练 (70% 1RM),使用3/7方法 (短间隔) 或8x6方法 (较长间隔).
- 血液样本被分析为乳酸,肌酸激酶 (CK),肌球蛋白 (MB),介质素-6 (IL-6),白细胞,生长激素 (GH),IGF-1,皮质醇.
- 在训练前和训练后进行测量.
主要成果:
- 与8x6方法相比,3/7方法诱导了显著更高的乳酸积累.
- 炎症标志物 (白细胞,IL-6) 和荷尔蒙反应 (GH,皮质醇) 在3/7方法后显著增加.
- 肌肉损伤标志物 (CK,MB) 和IGF-1反应在两种方法之间没有差异.
- 乳酸盐的变化与IL-6,GH和皮质醇的变化正相关.
结论:
- 3/7强度训练方法,以短的间隔时间为特征,引起更大的代谢压力,导致增强的炎症和荷尔蒙反应.
- 这些发现表明,代谢性压力在通过诱导更高乳酸积累的协议观察到的优异适应性反应中起着重要作用.
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