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Paper Abstract and Keywords
Presentation 2010-03-10 13:20
Dependency on standing condition of postural sway and activity of ankle muscle during human quiet stance
Yasuhiro Takeuchi, Shota Tateyama (Osaka Univ), Kunihiko Nomura (Osaka Univ of Economics), Yoshiyuki Asai, Kei Fukada, Saburo Sakoda, Taishin Nomura (Osaka Univ) NC2009-122
Abstract (in Japanese) (See Japanese page) 
(in English) We measured CoP and activity of the ankle muscles in several standing conditions. Those include (EO):eyes-open, (EC):eyes-closed, (EOvf):eyes-open with a constant visual feedback target, and (SWAY):the same as EOvf but with a sinusoidally varied target. We showed how the CoP sway patterns and the muscle activity changed depending on the standing conditions. Then possible mechanisms that can reproduce the observed sway and that can cause the condition dependent changes were interpreted using the PD controller model and/or the intermittent controller model. It was suggested that the control strategy during EO/EC condition was better interpreted by the intermittent model, whereas the control strategy changed from the intermittent to PD control as the standing condition changed from EO/EC to EOvf/SWAY.
Keyword (in Japanese) (See Japanese page) 
(in English) postural control / postural sway / intermittent control / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-122, pp. 201-206, March 2010.
Paper # NC2009-122 
Date of Issue 2010-03-02 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 NC MBE  
Conference Date 2010-03-09 - 2010-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NC 
Conference Code 2010-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dependency on standing condition of postural sway and activity of ankle muscle during human quiet stance 
Sub Title (in English)  
Keyword(1) postural control  
Keyword(2) postural sway  
Keyword(3) intermittent control  
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1st Author's Name Yasuhiro Takeuchi  
1st Author's Affiliation Osaka University (Osaka Univ)
2nd Author's Name Shota Tateyama  
2nd Author's Affiliation Osaka University (Osaka Univ)
3rd Author's Name Kunihiko Nomura  
3rd Author's Affiliation Osaka University of Economics (Osaka Univ of Economics)
4th Author's Name Yoshiyuki Asai  
4th Author's Affiliation Osaka University (Osaka Univ)
5th Author's Name Kei Fukada  
5th Author's Affiliation Osaka University (Osaka Univ)
6th Author's Name Saburo Sakoda  
6th Author's Affiliation Osaka University (Osaka Univ)
7th Author's Name Taishin Nomura  
7th Author's Affiliation Osaka University (Osaka Univ)
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Speaker Author-1 
Date Time 2010-03-10 13:20:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-122 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.201-206 
#Pages
Date of Issue 2010-03-02 (NC) 


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