Surface EMG and spatial resolution analysis with estimation of electromyographic descriptors

Schwartz, Fabiano P., da Rocha, Adson F., dos Santos, Icaro, Salomoni, Sauro, Nascimento, Francisco A. O. and Soares, Fabiano (2008). Surface EMG and spatial resolution analysis with estimation of electromyographic descriptors. In: 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Vancouver, Canada, (4748-4751). 20-24 August 2008. doi:10.1109/IEMBS.2008.4650274


Author Schwartz, Fabiano P.
da Rocha, Adson F.
dos Santos, Icaro
Salomoni, Sauro
Nascimento, Francisco A. O.
Soares, Fabiano
Title of paper Surface EMG and spatial resolution analysis with estimation of electromyographic descriptors
Conference name 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Conference location Vancouver, Canada
Conference dates 20-24 August 2008
Proceedings title 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society   Check publisher's open access policy
Journal name IEEE Engineering in Medicine and Biology Society. Conference Proceedings   Check publisher's open access policy
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2008
Sub-type Fully published paper
DOI 10.1109/IEMBS.2008.4650274
Open Access Status
ISBN 9781424418145
9781424418152
ISSN 1557-170X
Start page 4748
End page 4751
Total pages 4
Language eng
Abstract/Summary Spatial filtering has become a common way to improve the resolution of surface electromyographic signals (SEMG) when used in connection with electrode arrays. The goal of this study is to observe the behavior of S-EMG amplitude and spectral descriptors when signals are submitted to a longitudinal quadruple differentiating spatial filter. Signals were acquired at 20% and 60% of the maximum voluntary contraction using a linear array of eight surface electrodes in order to understand the impact of the filtering technique in the S-EMG variables during fatiguing and non-fatiguing contractions. The final results show that the filtering procedure yields better selectivity, suggesting that single motor units can be better observed if spatial filters and measurement configurations with smaller pick-up areas are used. During fatiguing contractions, however, further analysis is needed.
Keyword Noninvasive Multielectrode Emg
Filters
Signal
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Conference Paper
Collection: School of Health and Rehabilitation Sciences Publications
 
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