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Paper Abstract and Keywords
Presentation 2009-12-11 14:40
The Effects of Guidance Force of a Robot-Driven Gait Orthosis "Lokomat" on Muscle Activation and Joint Kinematics of Lower Extremity during Walking
Sachiko Aoki, Tohru Kiryu, Toyohiko Hayashi (Niigata Univ.), Kimitaka Nakazawa (Univ. of Tokyo.), Tsuyoshi Nakajima (Research Institute of NRCD), Yoshinobu Maeda, Tetsuya Watanabe (Niigata Univ.) MBE2009-74
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, gait rehabilitation for patients with spinal cord injury has been progressed by introducing advanced robotics. As an equipment for such advanced rehabilitation, robot-driven gait orthosis “Lokomat®” (Hocoma AG) is available. In order to promote patient’s voluntary muscle activity, Lokomat® has a function of adjusting the driving torque for knee and hip joints required for gait. Parameter regarding this torque adjustment is named the guidance force (GF). This study analyzed the relationship between the GF value and electromyography and motion of the lower extremity under nearly the same kinematic condition, in an attempt to clarify the effects of the GF value on patient’s gait. Experiments employing 5 healthy volunteers demonstrated that the decrease of the GF value affected primarily to the local activity in electromyography of the lower extremity without modifying overall activity pattern as well as the ratio of 4 gait phases in kinematics.
Keyword (in Japanese) (See Japanese page) 
(in English) Lokomat® / Guidance Force / Walk Again / Voluntary Contraction / Electromyography / Rehabilitation / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 332, MBE2009-74, pp. 17-22, Dec. 2009.
Paper # MBE2009-74 
Date of Issue 2009-12-04 (MBE) 
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 2009-12-11 - 2009-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2009-12-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The Effects of Guidance Force of a Robot-Driven Gait Orthosis "Lokomat" on Muscle Activation and Joint Kinematics of Lower Extremity during Walking 
Sub Title (in English)  
Keyword(1) Lokomat®  
Keyword(2) Guidance Force  
Keyword(3) Walk Again  
Keyword(4) Voluntary Contraction  
Keyword(5) Electromyography  
Keyword(6) Rehabilitation  
Keyword(7)  
Keyword(8)  
1st Author's Name Sachiko Aoki  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Tohru Kiryu  
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 Kimitaka Nakazawa  
4th Author's Affiliation The University of Tokyo. (Univ. of Tokyo.)
5th Author's Name Tsuyoshi Nakajima  
5th Author's Affiliation Research Institute, National Rehabilitation Center for Persons with Disabilities (Research Institute of NRCD)
6th Author's Name Yoshinobu Maeda  
6th Author's Affiliation Niigata University (Niigata Univ.)
7th Author's Name Tetsuya Watanabe  
7th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2009-12-11 14:40:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2009-74 
Volume (vol) vol.109 
Number (no) no.332 
Page pp.17-22 
#Pages 6 
Date of Issue 2009-12-04 (MBE) 

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