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Paper Abstract and Keywords
Presentation 2005-10-14 10:45
Theoretical Study on Dynamical Model of Flexor-Extensor Muscle Pair
Nobuyuki Baba, Kenzo Akazawa (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) It is indispensable to clarify the dynamic properties of a single muscle in order to understand a dynamics of a flexor-extensor muscle pair. However, these properties in the case of a larger change of a muscle length were not shown clearly. Especially, in the descending limb (a region where the muscle length is longer than the optimal length), when a muscle is shortened during an isometric contraction its properties were not fully clear. In this study, by using a semitendinosus muscle of a frog, the relationship between the final force after the shortening and the shortening length in the descending limb was examined. The examination was also performed in the case of the stretching. It was clarified as follows: 1) the value of the final force was greater than the isometric force at an initial length; 2) the value of the final force increased with an increasing the amount of shortening/stretching. These properties obtained from this study were important points to construct the model considering the flexor-extensor muscle pair.
Keyword (in Japanese) (See Japanese page) 
(in English) Skeletal Muscle / Dynamics of Contraction / Descending Limb / Flexor-Extensor Muscle Pair / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 335, MBE2005-71, pp. 13-16, Oct. 2005.
Paper # MBE2005-71 
Date of Issue 2005-10-07 (MBE) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee MBE  
Conference Date 2005-10-14 - 2005-10-14 
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Paper Information
Registration To MBE 
Conference Code 2005-10-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Theoretical Study on Dynamical Model of Flexor-Extensor Muscle Pair 
Sub Title (in English)  
Keyword(1) Skeletal Muscle  
Keyword(2) Dynamics of Contraction  
Keyword(3) Descending Limb  
Keyword(4) Flexor-Extensor Muscle Pair  
1st Author's Name Nobuyuki Baba  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Kenzo Akazawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2005-10-14 10:45:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2005-71 
Volume (vol) vol.105 
Number (no) no.335 
Page pp.13-16 
Date of Issue 2005-10-07 (MBE) 

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