使用自编码器提取的肌肉协同效应的特征,在曲行走期间中风的患者与健康对照人相比,与健康对照人相比
1Department of Industry-University cooperation, Hanshin University, Gyeonggi-do, the Republic of Korea.
Gait & posture
|October 16, 2023
概括
患有中风的患者在曲行走 (CW) 时表现出改变的肌肉协同作用. 需要具体的步态康复策略,考虑曲线方向和步态阶段,以获得更好的结果.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 康复科学 康复科学 康复科学
背景情况:
- 卒中幸存者经常经历走路异常,影响移动性和独立性.
- 曲行走 (CW) 对姿势控制和四肢协调提出了独特的挑战.
- 了解CW中的肌肉协同作用变化对于有效的步态康复至关重要.
研究的目的:
- 研究中风患者在两种类型的CW (外和内曲线) 期间肌肉协同作用的空间和时间特征.
- 将这些特征与健康对照组的特征进行比较.
- 为了识别肌肉激活模式的步态阶段特定和曲线方向依赖的变化.
主要方法:
- 采用自编码技术,从中风患者的腿和健康对照者的主导腿的八个肌肉中提取四个肌肉协同作用.
- 测量了步行速度,计算了协同效应的差异 (VAF),并比较了个别的协同效应模式.
- 利用Pearson的相关性用于空间特征分析 (肌肉权重) 和激活峰值时间用于时间特征分析.
主要成果:
- 脑卒中患者在曲线内行走 (ICW) 时比在曲线外行走 (OCW) 时走得更快.
- 与对照组相比,在OCW和ICW期间观察到空间肌肉权重的显著差异,在特定协同作用中.
- 在中风患者中,在OCW和ICW期间发现了多个协同作用的延迟激活峰值时间,表明时间肌肉招募发生变化.
结论:
- 在中风患者中,CW期间的肌肉协同作用与健康个体相比,显示出明显的空间和时间变化.
- 这些变化取决于曲线的方向和特定的步态阶段 (摇摆和姿势).
- 为优化中风幸存者的步行恢复,建议针对这些特定协同缺陷的定制康复方法.
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