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SURFACE ELECTROMYOGRAPHY IN BIOMECHANICS: APPLICATIONS AND SIGNAL ANALYSIS ASPECTS

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Author(s): DEAK GRAłIELA-FLAVIA | RUSU FLAVIA | GROSU EMILIA

Journal: Citius Altius Fortius
ISSN 1582-8131

Volume: 25;
Issue: 4;
Start page: 67;
Date: 2009;
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Keywords: electromyography | signal | biomechanics | applications | sport

ABSTRACT
Surface electromyography (SEMG) is a technique for detecting and recording the electrical activity of the muscles using surface electrodes. The EMG signal is used in biomechanics mainly as an indicator of the initiation of muscle activation, as an indicator of the force produced by a contracting muscle, and as an index ofthe fatigue occurring within a muscle. EMG, used as a method of investigation, can tell us if the muscle is active or not, if the muscle is more or less active, when it is on or off, how much active is it, and finally, if it fatigues.The purpose of this article is to discuss some specific EMG signal analysis aspects with emphasis on comparison type analysis and frequency fatigue analysis.
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