运动选择在诱导肘部 flexors 肌肉厚度的非均急性反应方面发挥着重要作用
Bruno F M Leitão1, José C S Albarello1, Gustavo H Halmenschlager1
1Laboratório de Biomecânica Muscular, Escola de Educação Física e Desportos, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
Journal of bodywork and movement therapies
|November 27, 2024
概括
子卷曲运动会导致双臂肌肉肌肉厚度变化较大,与手臂肌肉肌肉相比. 肌肉胀反应是特定于肌肉和所进行的运动.
科学领域:
- 运动生理学 运动生理学
- 肌肉生理学 肌肉生理学
- 生物机械分析 生物机械分析
背景情况:
- 肌肉厚度 (MT) 由于血液流量重定向而在运动后急剧增加,作为肌肉刺激的代理.
- 了解肌肉对不同炼的特定反应对于优化训练计划至关重要.
研究的目的:
- 为了比较双臂肌肉 (BB) 和手臂肌肉 (BRA) 之间的急性肌肉厚度变化.
- 在两个不同的单边练习中调查这些变化:子曲线 (DC) 和子行 (DR).
主要方法:
- 16名训练有素的年轻男性接受了DC和DR的10重复最大 (10RM) 测试.
- 参与者在每个练习中使用10RM负荷进行了四次集中失效.
- 用B模式超声波测量BB和BRA的肌肉厚度运动前和运动后.
主要成果:
- 双臂肌在手曲过程中显示出明显更大的MT变化 (18.67%±6.23%) 与手臂肌 (12.27%±6.20) (p=0.025) 相比.
- 双臂臂的MT增加在DC期间也比其在手排 (12.23%±6.03) (p=0.024) 期间的响应更大.
- 在这两种练习中,手臂肌肉厚度的变化是相似的,而双肩手臂则在子曲过程中显示出相对于手臂肌肉的最大增加.
结论:
- 急性肌肉厚度反应是特定于个人肘部 flexor 肌肉和所执行的运动类型.
- 拖曲线为双臂肌提供了更大的刺激,与手臂肌相比.
- 子曲线和子排列都有效地刺激手臂肌肉.
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