孔结构柔性肌肉传感器用于监测肌肉功能和质量
Hongyu Zhang1, Keer Wang1, Jiao Suo1
1Department of Mechanical Engineering, City University of Hong Kong, Hong Kong 999077, China.
ACS sensors
|July 24, 2025
概括
一个新的灵活传感器提供了一种具有成本效益的方法,可以每天监测肌肉功能和质量. 这种可穿戴设备有助于早期检测与年龄相关的肌肉损失和诸如肉症等疾病.
科学领域:
- 生物医学工程 生物医学工程
- 可穿戴技术可穿戴技术
- 老年学是指老年学的学科.
背景情况:
- 肌肉功能和组成是年龄相关健康的关键指标.
- 目前的评估方法通常是复杂的,昂贵的,并且无法用于日常监测.
- 早期发现与肌肉相关的问题对于及时干预至关重要.
研究的目的:
- 开发一个具有成本效益,便携性和用户友好的传感器,用于日常肌肉功能和质量评估.
- 为了评估传感器在区分老年人和年轻人的表现.
- 评估传感器在预测相对骨肌肉质量指数方面的能力.
主要方法:
- 设计和制造了一种新的多孔结构 (CNT/PDMS纳米复合材料) 灵活的压力阻抗传感器.
- 传感器在不同条件下 (温度,汗水) 进行检测范围,灵敏度,稳定性和性能测试.
- 从23名参与者 (老年人和年轻人) 身上收集了行走数据,他们戴着胃半肌上的传感器,并使用机器学习模型进行分析.
主要成果:
- 传感器表现出0-39kPa的线性检测范围,具有双阶段灵敏度,并保持了超过一周的稳定性能.
- 监督学习在区分年龄组方面实现了93.48%的准确性.
- 一个Adaboost回归模型预测了相对骨肌肉质量指数,平均误差为2.8%.
结论:
- 开发的灵活传感器是日常,非侵入性监测肌肉功能和质量的有希望的工具.
- 它可以早期检测和预防肉症和其他与年龄相关的肌肉疾病.
- 传感器的低成本,用户友好和便携性使其适用于临床,体育和家庭环境.
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