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| Presentation | 2015-12-19 13:50 A musculoskeletal model-based estimation of shoulder muscle forces during the elevation of the upper arm in the coronal plane Yosuke Fujii, Toyohiko Hayashi, Shigehito Tanahashi (Niigata Univ.), Hiroshi Tanaka, Hiroki Ninomiya, Hiroaki Inui, Masahiko Komai, Katsuya Nobuhara (Nobuhara Hospital)  MBE2015-71 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Since the glenohumeral joint is unstable due to less support of bones, its stability is believed to be reinforced by the coordinative activities of the shoulder muscles. Then their activities have been analyzed by means of computer simulation, using a musculoskeletal model of the shoulder, due to the difficulty of electro-myographic analysis. We also have been studied their activities during the elevation of the upper arm in the scapular plane, using a precise musculoskeletal model and a movement model, both of which were made from MRI images of subject's shoulder, as well as a muscle model. In this study, we estimated muscle activities during the abduction in the coronal plane as well as the scapular plane in order to clarify the difference in muscle activities between the two movements. Empirical results demonstrated that 1) during the abduction in the scapular plane, the infraspinatus and subscapularis muscles antagonized with each other were activated simultaneously, while the supraspinatus and the intermediate portion of deltoid worked dominantly for abduction; 2) during the abduction in the coronal plane, on the other hand, the activities of the infraspinatus increased relative to that of the subscapularis for horizontal abduction, while the activities of supraspinatus decreased probably due to the modification of its route, accordingly activating the intermediate portion of the deltoid further for compensation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | shoulder / musculoskeletal model / computer simulation / estimation of muscle force / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 383, MBE2015-71, pp. 49-54, Dec. 2015. | |
| Paper # | MBE2015-71 | |
| Date of Issue | 2015-12-12 (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) | |
| Download PDF | MBE2015-71 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2015-12-19 - 2015-12-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2015-12-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A musculoskeletal model-based estimation of shoulder muscle forces during the elevation of the upper arm in the coronal plane |
| Sub Title (in English) | |
| Keyword(1) | shoulder |
| Keyword(2) | musculoskeletal model |
| Keyword(3) | computer simulation |
| Keyword(4) | estimation of muscle force |
| Keyword(5) | |
| Keyword(6) | |
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| 1st Author's Name | Yosuke Fujii |
| 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 | 2015-12-19 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2015-71 |
| Volume (vol) | vol.115 |
| Number (no) | no.383 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2015-12-12 (MBE) |
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