<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0188-9532</journal-id>
<journal-title><![CDATA[Revista mexicana de ingeniería biomédica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. ing. bioméd]]></abbrev-journal-title>
<issn>0188-9532</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ingeniería Biomédica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-95322016000100017</article-id>
<article-id pub-id-type="doi">10.17488/RMIB.37.1.4</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sistema de Adquisición de Señales SEMG para la Detección de Fatiga Muscular]]></article-title>
<article-title xml:lang="en"><![CDATA[SEMG Signal Acquisition System for Muscle Fatigue Detection]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correa-Figueroa]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Sánchez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huerta-Ruelas]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Barbosa]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-Pérez]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada Unidad Querétaro]]></institution>
<addr-line><![CDATA[Santiago de Querétaro Qro]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Estudios Superiores de Monterrey Campus Querétaro ]]></institution>
<addr-line><![CDATA[Santiago de Querétaro Qro]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2016</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-95322016000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-95322016000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-95322016000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo presenta el desarrollo de un sistema de adquisición y procesamiento de señales mioeléctricas superficiales o SEMG. El sistema propuesto adquiere las señales SEMG de la superficie de la piel utilizando electrodos superficiales de AgCl. El sistema tiene una etapa de amplificación y de filtrado por hardware para eficientar el tiempo de proceso. Se desarrolló un software para procesar por transformada de Fourier la señal SEMG amplificada y filtrada. A diferencia de otros sistemas de adquisición de señales biológicas que son desarrollados para terapia o rehabilitación, este sistema está pensado para ser usado para el control de brazos robóticos, por ello el software desarrollado mide la fatiga utilizando parámetros como el corrimiento de la frecuencia media instantánea y la densidad espectral de potencia de la señal SEMG.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper presents the development of a system for acquiring and processing of surface myoelectric signals or SEMG. The proposed system acquires signals SEMG skin surface using AgCl surface electrodes. The system has an amplification step and hardware filtering to streamline the processing time. Developed software for processing the Fourier transform SEMG amplified and filtered signal. Unlike other systems for acquisition of biological signals, which are developed for therapy or rehabilitation, this system is intended to be used for the control of robotic arms, so the software performs the measurement of fatigue using parameters like bleed average frequency and instantaneous power spectral density of the signal SEMG.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[electromiografía]]></kwd>
<kwd lng="es"><![CDATA[instrumentación]]></kwd>
<kwd lng="es"><![CDATA[transformada rápida de Fourier]]></kwd>
<kwd lng="en"><![CDATA[electromyography]]></kwd>
<kwd lng="en"><![CDATA[instrumentation]]></kwd>
<kwd lng="en"><![CDATA[fast Fourier transform]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cifuentes]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Diseño y construcción de un sistema para la detección de señales electromiográficas]]></source>
<year>2010</year>
<publisher-name><![CDATA[Universidad Autónoma de Yucatán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A Data Acquisition and Signal Processing System for EMG and Acceleration Signáis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bela]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Szabo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ravi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Alessio]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Sai]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Proceedings]]></source>
<year>1990</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Shim]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[A method for gait rehabilitation training using EMG fatigue analysis]]></source>
<year>2013</year>
<conf-name><![CDATA[ 2013 Int. Conf. ICT Converg.]]></conf-name>
<conf-loc> </conf-loc>
<page-range>52 55</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Single-Trial EEG-EMG coherence analysis reveals muscle fatigue-related progressive alterations in corticomuscular coupling]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Siemionow]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Sahgal]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Yue]]></surname>
<given-names><![CDATA[G. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Trans. Neural Syst. Rehabil. Eng.]]></source>
<year>2010</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>97-106</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Online electromyographic control of a robotic prosthesis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shenoy]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Crawford]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[R. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Trans. Biomed. Eng.]]></source>
<year>2008</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1128-35</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A Novel Analogue Circuit for Controlling Prosthetic Hands]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mangieri]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmadi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmad]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chappell]]></surname>
<given-names><![CDATA[P. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE]]></source>
<year>2008</year>
<page-range>81-4</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Classification of finger activation for use in a robotic prosthesis arm]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peleg]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Braiman]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Yom-Tov]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Inbar]]></surname>
<given-names><![CDATA[G. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Trans. Neural Syst. Rehabil. Eng.]]></source>
<year>2002</year>
<volume>10</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>290-3</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[Prosthetic 6-DOF Arm Controlled by EMG Signals and Multi-Sensor System]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kutilek]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hybl]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kauler]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Viteckova]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Czech Technical University in Prague, Faculty of Biomedical Engineering]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[An EMG-based robot control scheme robust to time-varying EMG signal features]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Artemiadis]]></surname>
<given-names><![CDATA[P. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kyriakopoulos]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Trans. Inf. Technol. Biomed.]]></source>
<year>2010</year>
<volume>14</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>582-8</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Assad]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Wolf]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Stoica]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Biosleeve]]></surname>
<given-names><![CDATA[A. J. P. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[BioSleeve: a Natural EMG-Based Interface for HRI]]></source>
<year>2013</year>
<conf-name><![CDATA[ IEEE HRI Proceedings]]></conf-name>
<conf-loc> </conf-loc>
<page-range>69-70</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[EMG-Based Control of a Robot Arm Using Low-Dimensional Embeddings]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Artemiadis]]></surname>
<given-names><![CDATA[P. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kyriakopoulos]]></surname>
<given-names><![CDATA[K. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Transactions On Robotics]]></source>
<year>2010</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>393-8</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Forbes]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mouse HCI Through Combined EMG and IMU]]></source>
<year>2013</year>
<publisher-name><![CDATA[University of Rhode Island]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[An alternative approach in muscle fatigue evaluation from the surface EMG signal]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[M. a C.]]></given-names>
</name>
<name>
<surname><![CDATA[Catunda]]></surname>
<given-names><![CDATA[J. M. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Lemos]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[L. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Imbiriba]]></surname>
<given-names><![CDATA[L. a]]></given-names>
</name>
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[M. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Conf. Proc. Annu. Int. Conf. IEEE Eng. Med. Biol. Soc. IEEE Eng. Med. Biol. Soc. Annu. Conf.]]></source>
<year>2010</year>
<volume>2010</volume>
<page-range>2419-22</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koutsos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Georgiou]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[An analogue instantaneous median frequency tracker for EMG fatigue monitoring]]></source>
<year>2014</year>
<conf-name><![CDATA[ 2014 IEEE Int. Symp. Circuits Syst.]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1388-91</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Influencia de la fatiga muscular en la señal electromiográfica de músculos estimulados eléctricamente]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Acevedo]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Tabernig]]></surname>
<given-names><![CDATA[C. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista de la Escuela de Ingeniería de Antioquia]]></source>
<year>2007</year>
<page-range>111-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Characterization of laplacian surface electromyographic signals during isometric contraction in biceps brachii]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Estrada]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Casado]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Prats-Boluda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Jane]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Conf. Proc. IEEE Eng. Med. Biol. Soc.]]></source>
<year>2013</year>
<volume>2013</volume>
<page-range>535-8</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Time-frequency methods applied to muscle fatigue assessment during dynamic contractions]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Knaflitz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Electromyogr. Kinesiol]]></source>
<year>1999</year>
<volume>9</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>337-50</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A direct comparison of wet, dry and insulating bioelectric recording electrodes]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Searle]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kirkup]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol. Meas.]]></source>
<year>2000</year>
<volume>21</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>271-83</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effects of monopolar and bipolar electrode configurations on surface EMG spike analysis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gabriel]]></surname>
<given-names><![CDATA[D. a]]></given-names>
</name>
</person-group>
<source><![CDATA[Med. Eng. Phys.]]></source>
<year>2011</year>
<volume>33</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1079-85</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Konrad]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[The ABC of EMG, Book]]></source>
<year>2006</year>
<edition>1.4</edition>
<publisher-loc><![CDATA[Scottsdale, Arizona ]]></publisher-loc>
<publisher-name><![CDATA[Noraxon USA INC.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[The Usefulness of Mean and Median Frequencies in Electromyography Analysis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Phinyomark]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Thongpanja]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Open access chapter, Computational Intelligence in Electromyography Analysis - A Perspective on Current Applications and Future Challenges]]></source>
<year>2012</year>
<publisher-name><![CDATA[INTECH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Detection of EMG-based muscle fatigue during cyclic dynamic contraction using a monopolar configuration]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hotta]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Ito]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Conf. Proc. IEEE Eng. Med. Biol. Soc.]]></source>
<year>2013</year>
<volume>2013</volume>
<page-range>2140-3</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Surface EMG fatigue indicator during FES-induced isometric muscle contractions]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chesler]]></surname>
<given-names><![CDATA[N. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Durfee]]></surname>
<given-names><![CDATA[W. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Electromyogr. Kinesiol]]></source>
<year>1997</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>27-37</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
