A Wireless 2-Channel Layered EMG/NIRS Sensor System for Local Muscular Activity Evaluation.

Sensors (Basel)

Faculty of Science and Engineering, Saga University, Saga 840-8502, Japan.

Published: October 2023

AI Article Synopsis

  • - A new wireless 2-channel sensor system was created to simultaneously measure electromyography (EMG) and near-infrared spectroscopy (NIRS) signals at two specific locations on the body.
  • - The system uses a layered design featuring a thin silver electrode paired with either a photoemitting diode (LED) or photodiode (PD) to capture electrical and light signals from muscle activity.
  • - Experiments involved measuring EMG and NIRS signals during isometric and ramp contractions in the forearm, confirming that the system effectively analyzes local muscle activity in real-time.

Article Abstract

A wireless 2-channel layered sensor system that enables electromyography (EMG) and near-infrared spectroscopy (NIRS) measurements at two local positions was developed. The layered sensor consists of a thin silver electrode and a photosensor consisting of a photoemitting diode (LED) or photodiode (PD). The EMG and NIRS signals were simultaneously measured using a pair of electrodes and photosensors for the LED and PD, respectively. Two local muscular activities are presented in detail using layered sensors. In the experiments, EMG and NIRS signals were measured for isometric constant and ramp contractions at each forearm using layered sensors. The results showed that local muscle activity analysis is possible using simultaneous EMG and NIRS signals at each local position.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10610620PMC
http://dx.doi.org/10.3390/s23208394DOI Listing

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