腿筋肌肉硬会影响双腿垂直跳的下肢肌肉招募和着陆力量
Amornthep Jankaew1, Yih-Kuen Jan2, Ing-Shiou Hwang1,3
1Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
Sports biomechanics
|June 5, 2023
概括
腿筋硬度较高的运动员在跳跃时肌肉活化增加. 这种增强的招募有助于吸收登陆部队,这表明肌肉硬对于运动表现和伤害预防至关重要.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 肌肉骨生理学 肌肉骨生理学
背景情况:
- 腿筋硬度对下肢肌肉激活在跳跃等动态运动中的影响仍然不太清楚.
- 了解这种关系对于优化运动表现和预防涉及跳跃和降落的运动中的受伤至关重要.
研究的目的:
- 为了研究腿筋硬在调节下肢肌肉招募模式在各种跳跃任务的特定作用.
- 为了确定腿筋硬是否会影响垂直跳跃的起飞,地面接触和着陆阶段的肌肉激活.
主要方法:
- 根据MyotonPRO的测量结果,30名男性运动员被分为高筋硬度和低筋硬度组.
- 表面电肌图 (EMG) 记录了关节最大肌,四头肌和腿筋肌肉活动.
- 地面反应力 (GRF) 在腰,反运动和垂直跳跃中进行测量.
主要成果:
- 腿筋硬度较高的运动员在所有跳跃阶段,侧侧腿筋和大中的中位频率都更高.
- 高刚性组在垂直跳跃降落着陆过程中表现出降低的垂直GRF.
- 腿筋硬度增加与更大的动力单元招募相关,但没有提高起飞性能.
结论:
- 较高的腿筋硬与跳跃起飞和降落期间肌肉激活的增加有关.
- 虽然没有改善跳跃性能,但腿筋硬度升高似乎可以增强着陆力的吸收.
- 考虑下肢肌肉性对于评估运动能力和体育运动中的受伤风险很重要.
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