全身振动在自愿收缩期间激活了强力振动反射
Eser Kalaoglu1, Omer F Bucak2, Mustafa Kokce2
1Bahce Physical Therapy Rehabilitation Hospital: Bahçelievler Mahallesi, Hastane sokak No: 2, 80500, Bahçe/Osmaniye, Turkey.
Journal of physical therapy science
|June 2, 2023
概括
自愿的肌肉收缩可能会在全身振动期间增强强力振反射. 这一发现可以优化在康复和体育运动中使用振动练习.
科学领域:
- 神经肌肉生理学 神经肌肉生理学
- 生物力学 生物力学
- 康复科学 康复科学 康复科学
背景情况:
- 全身振动 (WBV) 引起有益的神经肌肉效应,主要归因于强力振动反射 (TVR) 和骨髓调节反射 (BMR).
- 影响WBV激活TVR和BMR的确切条件尚不清楚.
- 了解这些反射对于最大限度地提高基于振动的训练效果至关重要.
研究的目的:
- 为了调查自愿肌肉收缩是否会影响全身振动期间强力振动反射的激活.
- 在不同的收缩状态下区分TVR和BMR激活模式.
主要方法:
- 11名健康的志愿者参与了这项研究.
- 振动刺激 (局部和全身) 应用于静静的站立和半立 (同位子缩) 姿势.
- 使用表面电肌谱记录 Soleus 肌肉活动,并使用累积平均方法分析反射延迟.
主要成果:
- 在静止状态下,BMR延迟时间为39.9 ± 4.1毫秒,TVR延迟时间为35.4 ± 3.6毫秒.
- 在自愿收缩 (半) 的WBV期间,4名参与者激活了TVR,7名参与者激活了BMR.
- 当地振动在所有参与者中始终激活TVR,无论位置如何.
结论:
- 同时应用全身振动和自愿肌肉收缩显示了激活强力振动反射的潜力.
- 对WBV的脊柱机制进行进一步的研究是有必要的.
- 这些知识可以在体育和康复环境中更有效和高效地应用振动练习.
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