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用导电电活性聚合物传感器定量肌肉收缩：新型表面肌电描记术设备介绍。

Quantifying muscle contraction with a conductive electroactive polymer sensor: introduction to a novel surface mechanomyography device.

机构信息

Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA.

Research & Development, FIGUR8, Inc, Boston, USA.

出版信息

Int Biomech. 2023 Dec;10(1):1-10. doi: 10.1080/23335432.2024.2319068. Epub 2024 Feb 28.

DOI:10.1080/23335432.2024.2319068
PMID:38419418
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10906126/
Abstract

Clinicians seek an accurate method to assess muscle contractility during activities to better guide treatment. We investigated application of a conductive electroactive polymer sensor as a novel wearable surface mechanomyography (sMMG) sensor for quantifying muscle contractility. The radial displacement of a muscle during a contraction is detected by the physically stretched dielectric elastomer component of the sMMG sensor which quantifies the changes in capacitance. The duration of muscle activation times for quadriceps, hamstrings, and gastrocnemius muscles demonstrated strong correlation between sMMG and EMG during a parallel squat activity and isometric contractions. A moderate to strong correlation was demonstrated between the sMMG isometric muscle activation times and force output times from a dynamometer. The potential wearable application of an electroactive polymer sensor to measure muscle contraction time is supported.

摘要

临床医生寻求一种准确的方法来评估活动期间的肌肉收缩力，以便更好地指导治疗。我们研究了将导电电活性聚合物传感器用作新型可穿戴表面肌电描记术（sMMG）传感器的应用，以定量测量肌肉收缩力。sMMG 传感器的物理拉伸介电弹性体组件检测收缩过程中肌肉的径向位移，从而定量测量电容变化。在平行深蹲和等长收缩期间，股四头肌、腘绳肌和腓肠肌的肌肉激活时间与 sMMG 和 EMG 之间具有很强的相关性。sMMG 等长肌肉激活时间与测力计的力输出时间之间存在中度到高度相关性。电活性聚合物传感器在测量肌肉收缩时间方面具有潜在的可穿戴应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab27/10906126/c798b33559f2/TBBE_A_2319068_F0007_OC.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab27/10906126/c798b33559f2/TBBE_A_2319068_F0007_OC.jpg
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