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人类的姿势控制:一项使用穿皮脊髓刺激的研究.

Natalia Shamantseva1, Ivan Sakun1, Tatiana Klishkovskaia2

  • 1Laboratory of movement physiology, Pavlov Institute of Physiology Russian Academy of Sciences, St. Petersburg, Russia.

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概括

对T11-T12脊柱水平的电刺激通过减少摇摆,增强了依赖现场的个体的姿势稳定性. 在T11-T12的脊髓网络是人类姿势调节的关键.

关键词:
身体运动学 身体运动学认知风格是一种认知风格.电刺激是一种电刺激.外部呼吸 外部呼吸肌肉联合激活的过程姿势控制 姿势控制脊髓是指脊髓的部分.

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科学领域:

  • 神经科学是一个神经科学.
  • 人体生理学 人体生理学
  • 生物力学 生物力学

背景情况:

  • 姿势平衡依赖于复杂的脊柱和脊柱上机制.
  • 在平衡控制的感官依赖方面存在个体差异 (场依赖/独立).
  • 参与姿势调节的精确脊柱水平需要进一步阐明.

研究的目的:

  • 研究调节人类姿势平衡的脊髓神经间网络.
  • 为了检查非侵入性脊柱刺激对姿势控制的影响.
  • 在平衡中区分脊柱水平 (T11-T12与L1-L2) 的作用.

主要方法:

  • 参与者在T11-T12或L1-L2脊椎水平上进行了正常的姿势,有或没有电刺激.
  • 测量包括姿势摇摆,肌肉活动,关节动力学和呼吸运动.
  • 参与者根据感官依赖被分为依赖现场或独立于现场的参与者.

主要成果:

  • 依赖于场的个体表现出更大的中侧摆动和骨盆运动.
  • 在依赖现场的个体中,T11-T12刺激减少了摇摆和改善了稳定性.
  • L1-L2刺激改变了肌肉活动和动力学,但没有改变整体稳定性.

结论:

  • 在T11-T12水平的脊髓神经间网络对于人体姿势调节至关重要,受脊柱上控制的影响.
  • 这些T11-T12网络对于增强依赖外部感官线索的个体的稳定性尤为重要.
  • 在直立姿势调节中L1-L2脊髓网络的作用仍然不太清楚.