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Paper Abstract and Keywords
Presentation 2022-03-02 09:55
Stability of muscle synergy patterns for sit-to-stand motions under different conditions
Julian Ilham, Yuichi Nakamura, Kazuaki Kondo (Kyoto Univ.), Takahide Ito (Riken/Kyoto Univ.), Qi An (Kyushu Univ.), Junichi Akita (Kanazawa Univ.), Masashi Toda (Kumamoto Univ) MBE2021-88
Abstract (in Japanese) (See Japanese page) 
(in English) Sit-to-stand (STS) is one of important motions in daily life. The analysis of STS is important not only for the rehabilitation but also external supports, for instance, lower limb exoskeleton is required in helping a disable person to perform STS motion. Adequate signal is mandatory to proper motion of exoskeleton actuators. In this study, we investigated muscle synergy approach to obtain stable characteristic of STS motions throughout various conditions. We first examined the stability of spatial patterns using concatenated EMG signals over trials; and then we compared temporal patterns in different trials. The examination was continued to evaluate the patterns stability across days. Our preliminary results show that our method obtains higher similarities of temporal patterns than synergy calculation for every single trial red and yields better stability of spatial patterns across days.
Keyword (in Japanese) (See Japanese page) 
(in English) sit-to-stand / stability / electromyogram / muscle synergy / various conditions / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 389, MBE2021-88, pp. 5-8, March 2022.
Paper # MBE2021-88 
Date of Issue 2022-02-23 (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)
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Conference Information
Committee MBE NC  
Conference Date 2022-03-02 - 2022-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2022-03-MBE-NC 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Stability of muscle synergy patterns for sit-to-stand motions under different conditions 
Sub Title (in English)  
Keyword(1) sit-to-stand  
Keyword(2) stability  
Keyword(3) electromyogram  
Keyword(4) muscle synergy  
Keyword(5) various conditions  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Julian Ilham  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Yuichi Nakamura  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Kazuaki Kondo  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Takahide Ito  
4th Author's Affiliation Kyoto University (Riken/Kyoto Univ.)
5th Author's Name Qi An  
5th Author's Affiliation Kyushu University (Kyushu Univ.)
6th Author's Name Junichi Akita  
6th Author's Affiliation Kanazawa University (Kanazawa Univ.)
7th Author's Name Masashi Toda  
7th Author's Affiliation Kumamoto University (Kumamoto Univ)
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Speaker Author-1 
Date Time 2022-03-02 09:55:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2021-88 
Volume (vol) vol.121 
Number (no) no.389 
Page pp.5-8 
#Pages 4 
Date of Issue 2022-02-23 (MBE) 

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