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在模拟足球比赛和典型训练课程后,腿筋和四肢肌肉的神经肌肉疲劳

Anasthase Massamba, Nabil Kouzkouz, Bernard Geny¹

¹Biomedicine Research Center of Strasbourg (CRBS), University of Strasbourg, Strasbourg, FRANCE.

Medicine and science in sports and exercise

|December 18, 2024

概括

足球运动员在四头肌和腿筋肌肉之间不同地经历神经肌肉疲劳. 机械负荷,而不是会话类型,影响疲劳,GPS指标不能可靠地跟踪现场神经肌肉疲劳.

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
生物力学生物力学

背景情况:

了解神经肌肉疲劳机制对于优化足球训练和表现至关重要.
足球涉及复杂的运动,导致主要运动器 (四头肌) 和对手 (腿筋) 肌肉疲劳.

研究的目的:

研究四头肌和腿筋肌肉中神经肌肉疲劳和恢复的机制.
为了比较模拟足球比赛和特定训练课程之间的疲劳反应.
检查代谢和机械负荷对神经肌肉疲劳的影响.

主要方法:

15名男性职业学院足球运动员参加了模拟比赛和各种训练.
通过最大自愿收缩 (MVC),潜在抽 (P Tw) 和自愿激活 (VA) 评估的神经肌肉疲劳.
使用GPS监测的外部负载,以方向变化 (COD) 作为机械负载的衡量标准.

主要成果:

四头肌和腿筋肌肉在比赛后表现出显著的疲劳,腿筋的外周疲劳 (ΔP Tw) 更大.
与比赛后四头骨相比,腿筋表现出较少的中心疲劳 (ΔVA).
增加的机械负荷 (COD) 增强了四头肌疲劳,而会话类型 (HIIT与SPRINT) 在任何肌肉群中对疲劳没有显著影响.
神经肌肉疲劳在比赛后24小时内恢复.
来自GPS的疲劳指数与实际的神经肌肉疲劳没有相关性.

结论:

肌肉群和机械负荷显著调节足球运动员的神经肌肉疲劳大小和病因.
中央和外围疲劳机制在四头骨和腿筋之间有所不同.
基于GPS的疲劳指数不是足球比赛中神经肌肉疲劳的可靠指标.

关键词:

汉姆斯特林肌肉汉姆斯特林肌肉神经肌肉疲劳 - 神经肌肉疲劳恢复的方法恢复的方法一个足球运动员.

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