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Authors: Tiago Araújo 1 ; Ana Anjos 2 ; Neuza Nunes 3 ; Pedro Rebelo 2 and Hugo Gamboa 1

Affiliations: 1 New University of Lisbon, Portugal ; 2 Polytecnic Institute of Lisbon, Portugal ; 3 PLUX - Wireless Biosignals S.A., Portugal

ISBN: 978-989-758-069-7

Keyword(s): Fatigue, Neuromuscular Electrical Stimulation, Waveform.

Related Ontology Subjects/Areas/Topics: Animation and Simulation ; Applications and Services ; Biomedical Engineering ; Biomedical Signal Processing ; Computer Vision, Visualization and Computer Graphics ; Medical Image Detection, Acquisition, Analysis and Processing ; Motion Control

Abstract: Introduction: Neuromuscular electrical stimulation (NMES) is used by physical therapists in the clinic. The efficacy of NMES is limited by the rapid onset muscle fatigue. The role of NMES parameters is muscle fatigue is not clear. Objective: To determine the effects of shape waveform on muscle fatigue, during NMES. Methods: Twelve healthy subjects participated in the study. Subjects were assigned to 1 of 3 groups, randomly. Group assignment determined the order in which they were tested using 3 different shape waveforms. Maximal voluntary isometric contraction (MVIC) was measured during the first session. Fatigue test was applied with amplitude required to elicit 50% of the MVIC. In each 3 testing sessions torque of contraction and level comfort were measured, and percent fatigue was calculated. Analysis of variance tests for dependent samples was used to determine the effect of shape waveform on muscle fatigue and comfort scores Results: The results showed no one shape waveform w as most fatigable and that SQ wave induced more uncomfortable stimulus. (More)

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Paper citation in several formats:
Araújo, T.; Anjos, A.; Nunes, N.; Rebelo, P. and Gamboa , H. (2015). Quadriceps Muscle Fatigue and Comfort Generated by Neuromuscular Electrical Stimulation with Current Modulated Waveforms.In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015) ISBN 978-989-758-069-7, pages 92-98. DOI: 10.5220/0005267400920098

@conference{biosignals15,
author={Tiago Araújo. and Ana Anjos. and Neuza Nunes. and Pedro Rebelo. and Hugo Gamboa .},
title={Quadriceps Muscle Fatigue and Comfort Generated by Neuromuscular Electrical Stimulation with Current Modulated Waveforms},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015)},
year={2015},
pages={92-98},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005267400920098},
isbn={978-989-758-069-7},
}

TY - CONF

JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2015)
TI - Quadriceps Muscle Fatigue and Comfort Generated by Neuromuscular Electrical Stimulation with Current Modulated Waveforms
SN - 978-989-758-069-7
AU - Araújo, T.
AU - Anjos, A.
AU - Nunes, N.
AU - Rebelo, P.
AU - Gamboa , H.
PY - 2015
SP - 92
EP - 98
DO - 10.5220/0005267400920098

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