肌肉激活的变化,以响应腹部支架和稳定带的使用,在负载坐期间
Darragh J Lynch1,2, Alexander S Drusch1,3, Troy L Hooper1
1Center for Rehabilitation Research, School of Health Professions, TTUHSC, Lubbock, TX, USA.
Journal of sports sciences
|July 23, 2025
概括
腹部支架 (AB) 显著增加腹部肌肉活动时,负载的棒,或没有稳定带 (StB). 稳定带本身并没有改变肌肉激活,这表明AB是核心参与的关键.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 体育科学 运动科学 运动科学
背景情况:
- 干部稳定对于力量转移和阻力练习期间的伤害预防至关重要.
- 腹部支架 (AB) 和稳定带 (StB) 在负载坐期间对肌肉激活的特定影响需要进一步澄清.
研究的目的:
- 为了研究不同干稳定策略对干和下肢肌肉活动在负载的杆腰期间的影响.
- 为了比较没有稳定 (NoSS),腹部支架 (AB),稳定带 (StB) 和联合支架/带 (AB+StB) 对肌肉激活的影响.
主要方法:
- 在四个稳定条件下,28名健康的男性在一次重复最大的75%的速度进行了杆式坐.
- 表面电肌图 (EMG) 测量了六个双边肌肉的活动:斜肌,斜肌,斜肌,大肌,横肌和股骨双腿肌.
- 在受试者内部的ANOVA分析了根-平均-平方EMG振幅跨条件和坐阶段 (上升/下降).
主要成果:
- 与NoSS和StB相比,在AB条件 (AB,AB+StB) 中,腹肌活动 (外部和内部斜) 在AB条件 (AB,AB+StB) 中显着更高.
- 在稳定条件下,没有观察到腰部或下肢肌肉活动的显著差异.
- 腰部延伸器和四头肌活动在登阶段相比下降阶段的坐增加.
结论:
- 腹部支架有效地增强了腹部肌肉在负载的杆坐期间的参与,无论同时使用稳定带.
- 单独使用的稳定带在本研究中没有显著改变肌肉激活模式.
- 这些发现表明,有意识的腹部支架是增加核心肌肉激活在负载坐期间的主要驱动因素.
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