运动运动适应过程中的动态脊柱反射适应
Omar Refy1,2,3, Belle Blanchard4, Abigail Miller-Peterson4,5
1Department of Physics, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States.
Journal of neurophysiology
|September 13, 2023
概括
脊柱反射增益在分裂带行走适应过程中发生变化,显示出快速的单边调制,纠正腿部不对称性. 这种调制,很可能来自脊柱上中心,是适应步行的关键.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 生物力学 生物力学
背景情况:
- 运动适应涉及复杂的脊柱和脊柱上相互作用.
- 脊柱反射在适应步态与不对称条件中的确切作用尚未完全理解.
研究的目的:
- 为了研究在分裂带运动适应过程中脊柱反射收益的变化.
- 探索脊柱反射调制和步态不对称性纠正之间的关系.
主要方法:
- 利用霍夫曼反射测量来评估脊柱反射的增加.
- 在初始和重复的分腰带行走暴露期间分析了反射调制模式.
- 相关反射增益调制与腿部不对称度的测量.
主要成果:
- 在分裂皮带适应过程中,证明了脊柱反射收益的动态调节.
- 观察到快速的,单边的反射抑制或促进,与速度变化相对侧面,随后恢复缓慢.
- 表明反射调制与腿部不对称性纠正有很强的相关性,不仅仅是由于速度变化.
结论:
- 脊柱反射调节是分裂带运动适应的一个组成部分.
- 反射调节很可能来自于脊柱上部,可以单方面控制.
- 建议反射调制作为适应健康个体步态不对称的潜在机制.
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