肌肉损伤的功能性和系统性标记物的可靠性,以响应飞轮坐协议
Trevor J Dufner1, Alexandria D Iacono2, Jacob R Wheeler2
1School of Kinesiology and Rehabilitation Sciences, University of Central Florida, 12494 University Blvd, Orlando, FL, 32816, USA. phddufner@gmail.com.
European journal of applied physiology
|November 21, 2024
概括
同位体阻力飞轮 (FSP) 协议会导致显著的肌肉损伤,并可靠地改变抵抗训练的男性的功能和系统标记. 这种运动刺激是强大的和可重复的,支持其在未来的研究中使用.
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
- 肌肉生理学 肌肉生理学
背景情况:
- 异惯性阻力训练利用飞轮技术提供可变阻力.
- 了解对不同强度的同离子阻力运动的生理反应对于训练处方和研究至关重要.
- 运动引起的肌肉损伤 (EIMD) 是强烈抵抗运动的常见结果,其特点是肌肉功能暂时受损,炎症标志物增加.
研究的目的:
- 在中等 (MIR) 和高 (HIR) 异能阻力飞轮坐协议 (FSP) 后,量化功能和系统标记的变化的大小,时间进程和可靠性.
- 评估这些协议在经过抵抗训练的雄性中测试-重新测试的可靠性.
- 评估FSP适用于研究EIMD的交叉研究设计中的适用性.
主要方法:
- 24名经过抵抗训练的雄性接受了两次FSP试验 (ET1和ET2),分隔32天.
- 功能性 (例如,运动范围,跳跃性能) 和系统性 (例如,肌肉厚度,肌酸激酶) 标志物在运动前,运动后立即测量,并在运动后24,48和72小时测量.
- 用重复测量ANOVA和类内相关系数 (ICC) 来分析变化和可靠性.
主要成果:
- 无论是MIR和HIR协议都诱导了功能性能的显著降低和肌肉损伤标志物的增加,在运动后立即和长达48小时后.
- 与MIR组相比,HIR组在结果中表现出更持久的扰动.
- 测试复试可靠性对于FSP本身来说是很好的,对于大多数测量结果来说是中等到很好的.
结论:
- FSP是一种强大且可重复的运动刺激,可靠地诱导EIMD以及功能和系统标志物的随后变化.
- 这些发现支持在使用FSP的EIMD研究中对抵抗训练的男性进行交叉研究设计的使用.
- 肌肉损伤的程度和持续时间取决于强度,更高的强度会导致更长时间的效果.
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