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Paper Abstract and Keywords
Presentation 2004-11-03 14:50
Frequency Analysis of Mechanomyogram using Matching Pursuit
Akihiro Kazoishi (OECU), Yoshiaki Hara (NAIST), Masaki Yoshida (OECU)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we analyzed Mechanomyogram (MMG) of biceps brachii muscle during isometric voluntary contraction by using Matching Pursuit (MP) method, which is a method of time-frequency analysis. We measured MMG while subject's isometric force is gradually increased up to 90% from 10% of maximal voluntary contraction (MVC). As a result on applying MP method to MMG, the frequency domain components under 30%MVC had a peak around 20Hz. During 30%- 0%MVC, the high frequency components increased with the increase in the %MVC. Over 60%MVC, we did not observe the significant time-frequency distribution. From our results, it was indicated that fast twitch fibers were activated after activation of slow twitch fibers as muscle force is increased.
Keyword (in Japanese) (See Japanese page) 
(in English) Mechanomyogram / Matching Pursuit / Time-Frequency Analysis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 401, MBE2004-49, pp. 15-18, Nov. 2004.
Paper # MBE2004-49 
Date of Issue 2004-10-27 (MBE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee MBE  
Conference Date 2004-11-03 - 2004-11-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Electro-Comm. Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2004-11-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frequency Analysis of Mechanomyogram using Matching Pursuit 
Sub Title (in English)  
Keyword(1) Mechanomyogram  
Keyword(2) Matching Pursuit  
Keyword(3) Time-Frequency Analysis  
1st Author's Name Akihiro Kazoishi  
1st Author's Affiliation Osaka Electro-Communication University (OECU)
2nd Author's Name Yoshiaki Hara  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Masaki Yoshida  
3rd Author's Affiliation Osaka Electro-Communication University (OECU)
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Date Time 2004-11-03 14:50:00 
Presentation Time 25 
Registration for MBE 
Paper # IEICE-MBE2004-49 
Volume (vol) IEICE-104 
Number (no) no.401 
Page pp.15-18 
#Pages IEICE-4 
Date of Issue IEICE-MBE-2004-10-27 

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