牛犊皮肤刺激会在大腿中产生反射,这种反射可以通过低于值的噪音振动来改变
Emma B Plater1, Tushar Sharma1, Ryan M Peters2
1Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada.
Journal of neurophysiology
|June 28, 2023
概括
对腿部皮肤施加的触觉噪音可以唤起和增强皮肤反射. 这种感官增强技术,即随机共振 (SR),显示出改善下肢截肢患者平衡的潜力.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 感官增强 感官增强
背景情况:
- 通过随机共振 (SR) 的触觉噪声增强了脚底皮肤中的皮肤反射.
- 对于反射增强,SR对敏感性较低的毛腿皮肤的影响尚未被探索.
- 了解腿部皮肤反射对于姿势控制至关重要,特别是在截肢者身上.
研究的目的:
- 为了确定小牛皮刺激是否引起皮肤反射.
- 调查触觉噪声 (SR) 是否可以修改这些基于腿部的反射.
- 评估SR在临床人群中对感官增强的潜力.
主要方法:
- 在20名参与者中,在对称膝盖延伸过程中,电动脉冲列车应用于小腿.
- 同时测试了五个级别的振动噪声,以评估SR效应.
- 分析横向肌肉 (VL) 活动;计算反射比.
主要成果:
- 在16/20的参与者中引起显著的皮肤反射反应 (8个促进,8个抑制).
- 在10名参与者中出现了一种新的反射,增加了噪音.
- 与基线 (4.70 ± 5.6) 相比,最佳噪音水平显著增加了平均反射率 (8.61 ± 4.5).
结论:
- 皮肤反射可以通过刺激毛的小牛皮引起.
- 随机共振有效地修改和增强这些腿部皮肤反射.
- 这项研究提供了在下肢截肢患者中SR应用的概念证明,以改善姿势控制.
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