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Paper Abstract and Keywords
Presentation 2025-01-23 11:10
Quantitative Evaluation of Active Motor Units Using a Single-Channel Surface EMG Signal
Hidetoshi Nagai (KIT) MICT2024-53 MBE2024-34
Abstract (in Japanese) (See Japanese page) 
(in English) Surface electromyography (sEMG) signals are valuable for directly and electrically capturing muscle activity during motion. An sEMG signal consists of superimposed waveforms generated by the firings of individual motor units. Since muscle activity reflects the collective behavior of discrete motor unit activities, understanding the number and timing of active motor units is critical for analyzing muscle states and dynamics. However, conventional techniques cannot directly extract motor unit activities from an sEMG signal; instead, they rely on analyzing the signal's amplitude or frequency characteristics. In our previous research, we proposed a method to detect motor unit action potentials using a single-channel sEMG signal. Building on this foundation, this study quantitatively evaluates the firing frequencies and synchronization levels of motor units to analyze muscle states and activities.
Keyword (in Japanese) (See Japanese page) 
(in English) surface EMG / motor unit / firing frequency of motor units / redundant wavelet analysis / wavelet coefficient set / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 352, MBE2024-34, pp. 24-29, Jan. 2025.
Paper # MBE2024-34 
Date of Issue 2025-01-16 (MICT, MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MICT2024-53 MBE2024-34

Conference Information
Committee MBE MICT IEE-MBE  
Conference Date 2025-01-23 - 2025-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2025-01-MBE-MICT-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantitative Evaluation of Active Motor Units Using a Single-Channel Surface EMG Signal 
Sub Title (in English)  
Keyword(1) surface EMG  
Keyword(2) motor unit  
Keyword(3) firing frequency of motor units  
Keyword(4) redundant wavelet analysis  
Keyword(5) wavelet coefficient set  
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1st Author's Name Hidetoshi Nagai  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2025-01-23 11:10:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MICT2024-53, MBE2024-34 
Volume (vol) vol.124 
Number (no) no.351(MICT), no.352(MBE) 
Page pp.24-29 
#Pages 6 
Date of Issue 2025-01-16 (MICT, MBE) 

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