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Paper Abstract and Keywords
Presentation 2016-12-07 13:30
Estimation of axioscapular muscle forces during the elevation of the upper arm in the scapular plane
Yoshiaki Mitsuma, Toyohiko Hayashi, Shigehito Tanahashi (Niigata Univ.), Hiroshi Tanaka, Hiroki Ninomiya, Hiroaki Inui, Masahiko Komai, Katsuya Nobuhara (Nobuhara Hospital) MBE2016-61
Abstract (in Japanese) (See Japanese page) 
(in English) The shoulder motion has a high degree-of-freedom as well as a wide range of motion, which is accomplished by a complex joint structure consisting of four bones and coordinated activities of shoulder muscles. Muscle activities of the shoulder have been analyzed by means of computer simulation, due to the difficulty of electro-myographic measurement. We also constructed a precise musculoskeletal model of the shoulder consisting of bone-, motion- and muscle-models, in order to estimate activities of scapulohumeral muscles during the elevation of the upper arm. Although the motion of the scapula has been included in the motion model, activities of axioscapular muscles moving the scapula has yet to be estimated. Then we added those muscles to the previous model in this study, in order to estimate their activities during the abduction in the scapular plane on the assumption that the minimum motion point of the scapula should be a fixed rotation center. Simulation results demonstrated that dominant axioscapular muscles for elevating the upper arm, such as serratus anterior and trapezius, were activated in a manner without conflicting conventional anatomical and physiological knowledge, while remaining muscles were activated only a little.
Keyword (in Japanese) (See Japanese page) 
(in English) shoulder / scapula / musculoskeletal model / estimation of muscle force / computer simulation / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 342, MBE2016-61, pp. 25-30, Dec. 2016.
Paper # MBE2016-61 
Date of Issue 2016-11-30 (MBE) 
ISSN Print edition: ISSN 0913-5685    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 2016-12-07 - 2016-12-07 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyohashi University of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2016-12-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of axioscapular muscle forces during the elevation of the upper arm in the scapular plane 
Sub Title (in English)  
Keyword(1) shoulder  
Keyword(2) scapula  
Keyword(3) musculoskeletal model  
Keyword(4) estimation of muscle force  
Keyword(5) computer simulation  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshiaki Mitsuma  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Toyohiko Hayashi  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Shigehito Tanahashi  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Hiroshi Tanaka  
4th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
5th Author's Name Hiroki Ninomiya  
5th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
6th Author's Name Hiroaki Inui  
6th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
7th Author's Name Masahiko Komai  
7th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
8th Author's Name Katsuya Nobuhara  
8th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
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Speaker Author-1 
Date Time 2016-12-07 13:30:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2016-61 
Volume (vol) vol.116 
Number (no) no.342 
Page pp.25-30 
#Pages 6 
Date of Issue 2016-11-30 (MBE) 

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