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Paper Abstract and Keywords
Presentation 2017-03-13 13:10
Relation between human arm joint torque and movement duration
Misaki Takeda, Isao Nambu, Yasuhiro Wada (Nagaoka Univ. of Tech.) MBE2016-85
Abstract (in Japanese) (See Japanese page) 
(in English) Fitts' law is an empirical model using kinematic parameter explaining speed-accuracy trade-off characteristics of human arm movement. Although this law can hold under various conditions, there are some cases where it cannot be explained when moving the arm with co-contraction. Here, we consider whether arm dynamics factors contribute to determine movement duration of human arm movement. First, we conducted movement duration control experiment and end-point accuracy control experiment in order to investigate speed-accuracy trade-off of human arm movement as expressed by Fitts' law. Then the relationship between movement speed and end-point accuracy, the relationship between movement duration and torque, and the relationship between torque and end-point accuracy in each experiment were confirmed.The result showed that the relation between the end-point accuracy in the Fitts' law and the integrated torque showed linearity, and the relationship between the movement duration and the integrated torque showed nonlinearity.It was suggested that the speed-accuracy trade-off as expressed by Fitts' law could be explained by relation of movement duration and torque.
Keyword (in Japanese) (See Japanese page) 
(in English) Fitts' law / human arm dynamics / torque / movement duration / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 520, MBE2016-85, pp. 15-20, March 2017.
Paper # MBE2016-85 
Date of Issue 2017-03-06 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee MBE NC  
Conference Date 2017-03-13 - 2017-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2017-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relation between human arm joint torque and movement duration 
Sub Title (in English)  
Keyword(1) Fitts' law  
Keyword(2) human arm dynamics  
Keyword(3) torque  
Keyword(4) movement duration  
1st Author's Name Misaki Takeda  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Isao Nambu  
2nd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
3rd Author's Name Yasuhiro Wada  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Date Time 2017-03-13 13:10:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2016-85 
Volume (vol) IEICE-116 
Number (no) no.520 
Page pp.15-20 
#Pages IEICE-6 
Date of Issue IEICE-MBE-2017-03-06 

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