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老年人的步态生物力学特征:使用惯性传感器捕捉运动的横截面研究

Anna Letournel1,2, Madalena Marques3, Ricardo Vigário3,4,5

  • 1Departamento de Ciências Biomédicas, Instituto Politécnico de Setúbal, Escola Superior de Saúde, Campus do Instituto Politécnico de Setúbal, Estefanilha, Edifício ESCE/ESS, 2914-504 Setúbal, Portugal.

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概括

年长的成年人表现出改变的步行模式,包括较慢的速度和较长的姿势阶段,影响了移动性和跌倒风险. 穿戴式运动捕捉系统能够有效地识别与年龄相关的生物力学变化.

关键词:
年龄和流动性步态分析关节动力学年长的成年人可穿戴设备

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科学领域:

  • 老年学
  • 生物力学
  • 人类运动科学

背景情况:

  • 全球人口老龄化带来重大社会挑战.
  • 葡萄牙的老龄化指数显著上升.
  • 了解与年龄相关的步态变化对于预防跌倒和评估移动性至关重要.

研究的目的:

  • 分析社区老年人的步态.
  • 有助于对衰老的生物力学概况.
  • 研究与衰老过程相关的步态变化.

主要方法:

  • 使用Xsens全身运动捕捉系统与惯性传感器.
  • 收集了36名社区老年人的步态数据 (平均年龄74岁).
  • 使用描述性统计分析了时空和运动步态参数.

主要成果:

  • 参与者表现出较低的步行速度,步伐长度和节奏.
  • 观察到增加的立场和双重支阶段,步幅更大.
  • 动力学分析显示了稳定性的适应,例如峰值关节曲和延伸的减少.

结论:

  • 这些发现与与年龄相关的步态变化相关的现有文献一致.
  • 穿戴式运动捕捉系统有效地检测出临床相关的步态变化.
  • 结果支持生物机械老龄化概况和有针对性的移动性干预措施的开发.