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Open AccessArticle

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

1
Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
2
Aspetar Orthopaedic and Sports Medicine Hospital, Doha PO Box 29222, Qatar
3
Department of Computer Science and Institute of Sport, Exercise and Health, University College London, London WC1E 6BS, UK
4
Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy
*
Author to whom correspondence should be addressed.
Sensors 2020, 20(17), 4664; https://doi.org/10.3390/s20174664
Received: 23 July 2020 / Revised: 13 August 2020 / Accepted: 17 August 2020 / Published: 19 August 2020
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. View Full-Text
Keywords: wearable biosensors; NIRS; EMG; oximetry; skeletal muscle function; quadriceps wearable biosensors; NIRS; EMG; oximetry; skeletal muscle function; quadriceps
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MDPI and ACS Style

Di Giminiani, R.; Cardinale, M.; Ferrari, M.; Quaresima, V. Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises. Sensors 2020, 20, 4664.

AMA Style

Di Giminiani R, Cardinale M, Ferrari M, Quaresima V. Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises. Sensors. 2020; 20(17):4664.

Chicago/Turabian Style

Di Giminiani, Riccardo; Cardinale, Marco; Ferrari, Marco; Quaresima, Valentina. 2020. "Validation of Fabric-Based Thigh-Wearable EMG Sensors and Oximetry for Monitoring Quadriceps Activity during Strength and Endurance Exercises" Sensors 20, no. 17: 4664.

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