下感官电噪声刺激对支表面扰乱期间平衡的反应性控制的影响
Zahra Bassiri1, Oluwasegun Akinniyi2, Nathan Humphrey3
1Center for Motion Analysis, Division of Orthopedic Surgery, Connecticut Children's, Farmington, CT, United States.
Gait & posture
|October 25, 2024
概括
应用于干 (TS) 和腿部 (LS) 的感应下电刺激 (SES) 在不可预测的表面干扰期间改善了反应平衡控制. 在增强逆向平衡反应方面,TS显示出比LS更大的有效性,可能降低跌倒风险.
科学领域:
- 生物力学 生物力学
- 神经科学是一个神经科学.
- 康复 康复 康复 康复
背景情况:
- 有效的平衡控制对于防止跌倒至关重要,特别是在应对突然的干扰时.
- 众所周知,感官下电刺激 (SES) 可以增强主动平衡,但它对反应平衡控制的影响仍未得到充分研究.
研究的目的:
- 评估SES在改善反应平衡控制,防止意外支面变化的有效性.
- 为了比较SES对干部和下腿的作用,对反应平衡进行比较.
主要方法:
- 23名成年人接受了基于跑步机的支面转换 (向前和向后),以评估踏步门和补偿步骤特征.
- 在三个条件下进行了测试:没有刺激 (NS),腿刺激 (LS) 和干部刺激 (TS),刺激达到感觉值的90%.
主要成果:
- 无论是TS还是LS都显著增加了倒退值,TS显示出更明显的效应.
- 在反向扰动期间,TS减少了补偿步骤时间,步骤长度和稳定率 (MOS).
- 在前进扰动期间,LS和TS都减少了步骤时间,增加了最小MOS,表明稳定性得到改善.
结论:
- 这项研究提供了关于SES在支表面扰动期间对反应平衡控制的影响的新证据.
- 干部刺激 (TS) 在改善向后平衡反应方面比腿部刺激 (LS) 更有效.
- 特别适用于干的SES代表了增强反应性姿势控制和减轻跌倒风险的有希望的策略.
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