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Titre: | Ability of spatial filters to distinguish between two MUAPs generated from MUs with different locations, sizes and fibers pennation |
Auteur(s): | Messaoudi, Noureddine Belkacem, Samia Bekka, Raïs El’hadi |
Mots-clés: | Bioinstrumentation Data processing methods Simulation methods and programs Software Engineering |
Date de publication: | 2023 |
Editeur: | IOP Publishing |
Collection/Numéro: | Journal of Instrumentation/ Vol.18, N°3 (2023);pp. 1-20 |
Résumé: | In this study, we investigated the effects of the motor unit (MU) location and size
and the fibres pennation on the ability of anisotropic and almost isotropic spatial filters used to
detect surface electromyographic (EMG) signals to make a distinction between motor unit action
potentials (MUAPs) generated from two MUs. The study was based on simulated MUAPs. The
fibres orientation was performed by varying the fibres pennation angle (FPA).
The root mean square error (RMSE) between MUAPs generated from two MUs was used as
a criterion to evaluate the ability of the investigated filters to distinguish between two generated
MUAPs. The location of a MU was fixed and the second MU moved away from the first MU in
the transversal direction for the first case and in the depth direction in the second case to take five
different locations in every case.
We showed that the capability of the studied filters to more separate two MUAPs strongly
depended on MU location, MU size and FPA. This capability of separation was best with large
distances between the two MUs and with large sizes of them. Furthermore, the main survey of this
work was that the BiTDD filter has the best ability of separation of two MUAPs than the other filters
in a given FPA interval. The number of pennation angles in this interval is related to the location
and size of the moved MU |
URI/URL: | DOI 10.1088/1748-0221/18/03/P03041 https://iopscience.iop.org/article/10.1088/1748-0221/18/03/P03041 http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/11441 |
ISSN: | 1748-0221 |
Collection(s) : | Publications Internationales
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