减少动力变性 提高肌电控制强度 在未经训练的四肢位置上
概括
肌电训练通过减少肌肉活动变化来改善假肢控制. 延迟反增强了不同手臂位置的技能泛化,导致更强大的用户意图解码.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 康复科学 康复科学 康复科学
背景情况:
- 肢体位置效应通过增加信号变化而损害了上肢假体的控制.
- 现有的方法侧重于数据丰富性以捕捉变异性,但本研究探讨了通过培训来减少变异性.
研究的目的:
- 调查用户训练是否可以减少肌肉活动的试验对试验的变化.
- 为了确定是否改善了肌肉活动的一致性,将其推广到未经训练的四肢位置.
主要方法:
- 十名参与者接受了为期4天的肌电训练,同时或延迟反在一个手臂位置.
- 在多个肢体位置进行了零反保留测试,以评估技能概括性.
主要成果:
- 延迟反训练导致训练和未训练的肢体位置之间更一致的肌肉活动.
- 延迟反组的肌肉激活模式显示了跨手臂位置的结构性变化.
- 肌电器使用者培训表明,在未经训练的位置保持了强大的解码的运动技能.
结论:
- 通过实践减少运动变性对于改善假肢控制至关重要.
- 肌电训练可以增强运动技能的泛化到新的四肢位置.
- 延迟反显示出开发更强大,更适应的假肢控制系统的希望.
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