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相关概念视频

Alterations in Muscle Tone ll01:12

Alterations in Muscle Tone ll

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Alterations in muscle tone are common manifestations of neurological disorders and reflect dysfunction within different nervous system regions. Spasticity, paratonia, and dystonia represent distinct forms of hypertonia, each with unique mechanisms, clinical features, and diagnostic importance.CharacteristicsSpasticity happens from upper motor neuron lesions and is characterized by velocity-dependent resistance to passive movement. Clinical features include:Exaggerated deep tendon reflexesClonus...
27

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相关实验视频

Updated: Apr 30, 2026

An Objective and Child-friendly Assessment of Arm Function by Using a 3-D Sensor
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通过集成多传感器信号来评估便携式上肢肌肉度.

Yue Zhang1,2, Ying Zheng1, Hao ShangGuan3

  • 1College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China.

Annals of biomedical engineering
|February 23, 2026
PubMed
概括
此摘要是机器生成的。

这项研究开发了一个新的平台,使用生物力学和表面电肌图 (sEMG) 数据进行客观的肌肉度评估. 该方法显示高精度,为主观修改的阿什沃思尺度 (MAS) 提供可靠的替代方案,用于高血压诊断.

关键词:
生物机械数据数据强力传感器 强力传感器高血压症 这是一种高血压症.更多 更多 更多 更多 更多上肢肌肉度检测平台的平台.sEMG 的意思是说.

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科学领域:

  • 生物医学工程 生物医学工程
  • 康复技术 康复技术 康复技术
  • 神经学 神经学

背景情况:

  • 传统的高血压症诊断依赖于主观修改的阿什沃思量表 (MAS),该量表受限于评价者之间的变化.
  • 以前使用力传感器和表面电肌图 (sEMG) 量化肌肉度的尝试在可靠性和有效性方面遇到了挑战.
  • 需要一种客观和定量方法来评估上肢肌肉度,以提高诊断准确度.

研究的目的:

  • 开发一个简单有效的平台,整合生物力学和sEMG数据,用于上肢肌肉度评估.
  • 为肌肉度提供客观和定量评估方法,克服主观临床尺度的局限性.
  • 为了提高高血压评估的诊断准确性和可靠性.

主要方法:

  • 设计了一个检测平台,从59名参与者 (49名患者,10名健康对照) 收集生物机械和sEMG数据.
  • 数据以不同的运动速度 (15°/s,20°/s,25°/s) 收集,并进行特征提取,信号处理和统计分析.
  • 使用缩小尺寸来优化功能,然后将其集成到分类算法中.

主要成果:

  • 提取的特征显著区分了患有高血压症的患者和健康个体 (p < 0.01).
  • 在提取的特征和修改的阿什沃思尺度 (MAS) 分数 (p < 0.01) 之间发现了强烈的相关性,证实了方法的可靠性.
  • 该分类算法与临床评估具有很高的一致性,表明临床应用的潜力.

结论:

  • 开发的平台提供了一个客观和定量方法来评估肌肉度,超越主观的MAS评估.
  • 这种方法提高了诊断的准确性,为高血压症的诊断和治疗计划提供了更可靠的基础.
  • 这些发现有望优化临床决策,改善高血压症护理中的患者管理和治疗策略.