在老年人肉症患者的行走过程中下肢肌肉激活:试点研究
概括
腿部肌肉活化不同于老年人与 sarcopenia 在行走时,影响步态. 康复应该针对这些腿部肌肉进行有效干预.
科学领域:
- 老年学是一门学科.
- 运动学 运动学
- 神经肌肉生理学 神经肌肉生理学
背景情况:
- 肉症是一种肌肉疾病,导致肌肉质量和力量下降,导致步态障碍和老年人落风险增加.
- 了解低肢肌肉激活过程中行走在sarcopenia患者是开发有效的康复策略至关重要的.
研究的目的:
- 为了研究和比较下肢肌肉激活模式,在行走中,在老年人有和没有sarcopenia.
- 为了确定特定的肌肉激活差异,这可能解释了sarcopenia的步态异常.
主要方法:
- 表面电肌图 (EMG) 信号从前肌 (TA),侧腹肌 (GL),直骨肌 (RF) 和双腿肌 (BF) 肌肉中记录在行走过程中.
- 分析包括根平均平方 (RMS),调制指数和同活化指数来量化肌肉活动.
- 统计分析比较了萨尔科佩尼亚患者和健康老年人对照之间的肌肉激活.
主要成果:
- 肉症患者和健康的老年人之间的肌肉激活差异主要观察到的是腿部肌肉.
- 在摇摆阶段 (p=0.005) 中,前 (TA) RMS 显著高于sarcopenia 患者.
- 在摇摆前 (p=0.01) 的萨尔科佩尼亚患者中,侧面胃内膜 (GL) 调制指数显著更高,在单姿态中,TA-GL协激活率较低.
- 在肉症患者中,GL RMS和步骤长度之间发现了强烈的相关性 (r=0.863,p=0.012).
结论:
- 腿部肌肉,特别是TA和GL肌肉的改变肌肉激活,有助于老年人患有肉症的步态障碍.
- 治疗肉类的运动干预措施应优先加强和调节腿部肌肉,以改善行走功能并降低跌倒风险.
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