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Paper Abstract and Keywords
Presentation 2008-05-23 15:20
A three-demensional analysis of clavicular movement using open-MRI
Naoki Yoneya, Yasuo Nakamura, Toyohiko Hayashi (Niigata Univ.), Masahiko Komai, Katsuya Nobuhara, Hiroshi Tanaka (Nobuhara Hospital) MBE2008-10
Abstract (in Japanese) (See Japanese page) 
(in English) Human shoulder joint has a complex bony structure consisting of humeral, scapular, and clavicle. In order to figure out motion mechanism of this joint, we have been studying in-vivo shoulder movements, particularly humeral elevation within the scapular plane, using open-MRI and a 3D/3D registration technique. In order to clarify entire shoulder movement, we have to analyze movements of scapulohumeral joint, acromioclavicular joint and sternoclacular joint simultaneously. We have already proposed a registration-based motion analysis for scapulohumeral joint. Then, we applied this technique into motion analysis for acromioclavicular joint and sternoclacular joint. As the first step, we evaluated the reproducibility of a proposed clavicular coordinate system and the accuracy of a registration-based motion estimation through several experiments. In addition, we estimated a subject’s 3-D clavicular motion during humeral elevation. All empirical results suggested that our clavicular coordinate system has high reproducibility and the proposed method enabled us to estimate clavicular motion on an accuracy level required in clinic.
Keyword (in Japanese) (See Japanese page) 
(in English) clavicle / motion analysis / open-MRI / registration / accuracy verification / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 52, MBE2008-10, pp. 45-50, May 2008.
Paper # MBE2008-10 
Date of Issue 2008-05-16 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MBE2008-10

Conference Information
Committee MBE  
Conference Date 2008-05-23 - 2008-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Faculty of Engineering, Toyama University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Engineering 
Paper Information
Registration To MBE 
Conference Code 2008-05-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A three-demensional analysis of clavicular movement using open-MRI 
Sub Title (in English)  
Keyword(1) clavicle  
Keyword(2) motion analysis  
Keyword(3) open-MRI  
Keyword(4) registration  
Keyword(5) accuracy verification  
1st Author's Name Naoki Yoneya  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Yasuo Nakamura  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Toyohiko Hayashi  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Masahiko Komai  
4th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
5th Author's Name Katsuya Nobuhara  
5th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
6th Author's Name Hiroshi Tanaka  
6th Author's Affiliation Nobuhara Hospital and Institute of Biomechanics (Nobuhara Hospital)
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Date Time 2008-05-23 15:20:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2008-10 
Volume (vol) IEICE-108 
Number (no) no.52 
Page pp.45-50 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2008-05-16 

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