Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises

Muscle oximetry based on near-infrared spectroscopy (NIRS) and electromyography (EMG) techniques in adherent clothing might be used to monitor the muscular activity of selected muscle groups while exercising. The fusion of these wearable technologies in sporting garments can allow the objective asse...

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Main Authors: Riccardo Di Giminiani, Marco Cardinale, Marco Ferrari, Valentina Quaresima
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/20/17/4664
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author Riccardo Di Giminiani
Marco Cardinale
Marco Ferrari
Valentina Quaresima
author_facet Riccardo Di Giminiani
Marco Cardinale
Marco Ferrari
Valentina Quaresima
author_sort Riccardo Di Giminiani
collection DOAJ
description Muscle oximetry based on near-infrared spectroscopy (NIRS) and electromyography (EMG) techniques in adherent clothing might be used to monitor the muscular activity of selected muscle groups while exercising. The fusion of these wearable technologies in sporting garments can allow the objective assessment of the quality and the quantity of the muscle activity as well as the continuous monitoring of exercise programs. Several prototypes integrating EMG and NIRS have been developed previously; however, most devices presented the limitations of not measuring regional muscle oxyhemoglobin saturation and did not embed textile sensors for EMG. The purpose of this study was to compare regional muscle oxyhemoglobin saturation and surface EMG data, measured under resting and dynamic conditions (treadmill run and strength exercises) by a recently developed wearable integrated quadriceps muscle oximetry/EMG system adopting smart textiles for EMG, with those obtained by using two “gold standard” commercial instrumentations for EMG and muscle oximetry. The validity and agreement between the wearable integrated muscle oximetry/EMG system and the “gold standard” instrumentations were assessed by using the Bland-Altman agreement plots to determine the bias. The results support the validity of the data provided by the wearable electronic garment developed purposely for the quadriceps muscle group and suggest the potential of using such device to measure strength and endurance exercises in vivo in various populations.
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spelling doaj.art-b6029aac7cc14a7dbfd402874e2cb5042023-11-20T10:36:29ZengMDPI AGSensors1424-82202020-08-012017466410.3390/s20174664Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance ExercisesRiccardo Di Giminiani0Marco Cardinale1Marco Ferrari2Valentina Quaresima3Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, ItalyAspetar Orthopaedic and Sports Medicine Hospital, Doha PO Box 29222, QatarDepartment of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, ItalyDepartment of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, ItalyMuscle oximetry based on near-infrared spectroscopy (NIRS) and electromyography (EMG) techniques in adherent clothing might be used to monitor the muscular activity of selected muscle groups while exercising. The fusion of these wearable technologies in sporting garments can allow the objective assessment of the quality and the quantity of the muscle activity as well as the continuous monitoring of exercise programs. Several prototypes integrating EMG and NIRS have been developed previously; however, most devices presented the limitations of not measuring regional muscle oxyhemoglobin saturation and did not embed textile sensors for EMG. The purpose of this study was to compare regional muscle oxyhemoglobin saturation and surface EMG data, measured under resting and dynamic conditions (treadmill run and strength exercises) by a recently developed wearable integrated quadriceps muscle oximetry/EMG system adopting smart textiles for EMG, with those obtained by using two “gold standard” commercial instrumentations for EMG and muscle oximetry. The validity and agreement between the wearable integrated muscle oximetry/EMG system and the “gold standard” instrumentations were assessed by using the Bland-Altman agreement plots to determine the bias. The results support the validity of the data provided by the wearable electronic garment developed purposely for the quadriceps muscle group and suggest the potential of using such device to measure strength and endurance exercises in vivo in various populations.https://www.mdpi.com/1424-8220/20/17/4664wearable biosensorsNIRSEMGoximetryskeletal muscle functionquadriceps
spellingShingle Riccardo Di Giminiani
Marco Cardinale
Marco Ferrari
Valentina Quaresima
Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
Sensors
wearable biosensors
NIRS
EMG
oximetry
skeletal muscle function
quadriceps
title Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
title_full Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
title_fullStr Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
title_full_unstemmed Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
title_short Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises
title_sort validation of fabric based thigh wearable emg sensors and oximetry for monitoring quadriceps activity during strength and endurance exercises
topic wearable biosensors
NIRS
EMG
oximetry
skeletal muscle function
quadriceps
url https://www.mdpi.com/1424-8220/20/17/4664
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