<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002021000100008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación entre la velocidad aeróbica máxima continua e intermitente con el rendimiento del CrossFit ® WOD Karen en sujetos físicamente activos]]></article-title>
<article-title xml:lang="en"><![CDATA[Relationship of continuous and intermittent maximal aerobic speed to CrossFit ® WOD Karen performance in physically active subjects]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustos-Viviescas]]></surname>
<given-names><![CDATA[Brian Johan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso Acevedo-Mindiola]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merchán Osorio]]></surname>
<given-names><![CDATA[Rony David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Universitaria Juan de Castellanos  ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[Cúcuta ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002021000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002021000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002021000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El CrossFit  ® es actualmente la modalidad de entrenamiento funcional de alta intensidad de mayor difusión. No obstante, no existen investigaciones que relacionen la velocidad aérobica máxima continua (VAM-C) e intermitente (VAM-I) con el rendimiento en este entrenamiento.  Objetivo:  Determinar la relación entre la velocidad aérobica máxima continua e intermitente con el rendimiento del CrossFit  ® WOD Karen en sujetos físicamente activos.  Métodos:  Participaron 14 hombres y 6 mujeres, en tres días se realizaron las pruebas con un intervalo de 24-48 horas entre ellos, la velocidad aérobica máxima continua se evaluó a través del test de carrera 20 metros o Course Navette, la velocidad aérobica máxima intermitente se valoró por medio del 30-15 ITF (Intermittent Fitness Test) y por último se midió el rendimiento del WOD CrossFit  ® Karen (150 lanzamientos de balón medicinal a pared en el menor tiempo posible). Los datos obtenidos fueron analizados en el paquete estadístico PSPP con un nivel de confianza del 95 % y un p-valor del 0,05.  Resultados:  Los resultados obtenidos presentaron distribución normal (p &gt; 0,05) para ambos sexos salvo el tiempo del WOD CrossFit  ® Karen en hombres (p &lt; 0,05). El coeficiente de correlación sugiere que la velocidad aérobica máxima continua obtuvo una relación grande (r = -0,61) en mujeres y moderada en hombres (r = -0,44), mientras que la velocidad aérobica máxima intermitente presentó una asociación muy grande en mujeres (r = -0,76) y hombres (r = -0,78), pero solamente significativo con la velocidad aérobica máxima intermitente en hombres (p &lt; 0,01).  Conclusión: Una mayor aptitud física aeróbica intermitente es más influyente en el rendimiento del CrossFit  ® WOD Karen en sujetos físicamente activos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  CrossFit® is at present the most widely known high-intensity functional training exercise program. However, no studies are available describing the relationship of continuous maximal aerobic speed (MAS-C) and intermittent maximal aerobic speed (MAS-I) to performance in this training mode.  Objective:  Determine the relationship of continuous and intermittent maximal aerobic speed to CrossFit® WOD Karen performance in physically active subjects.  Methods:  Fourteen men and six women participated in the study. The tests were performed in three days with a 24-48 hours separation between them. Continuous maximal aerobic speed was evaluated with the 20-m shuttle run test or Course Navette test and intermittent maximal aerobic speed with the 30-15 ITF (Intermittent Fitness Test). Finally, performance of the CrossFit® WOD Karen program was assessed through 150 medicine ball throws to the wall in as little time as possible. The data obtained were analyzed with the PSPP statistical package, using a confidence level of 95% and a p-value of 0,05.  Results:  The results obtained show a normal distribution (p &gt; 0,05) for both sexes, except for CrossFit® WOD Karen time in men (p &lt; 0,05). The correlation coefficient suggests that continuous maximal aerobic speed exhibited a high association in women (r = -0,61) and a moderate association in men (r = -0,44), whereas intermittent maximum aerobic speed exhibited a very high association in women (r = -0,76) and men (r = -0,78), but was only significant with intermittent maximum aerobic speed in men (p &lt; 0,01).  Conclusion:  A better intermittent aerobic physical aptitude is more influential on CrossFit® WOD Karen performance in physically active subjects.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ejercicio]]></kwd>
<kwd lng="es"><![CDATA[fitness cardiorrespiratorio]]></kwd>
<kwd lng="es"><![CDATA[rendimiento atlético]]></kwd>
<kwd lng="en"><![CDATA[exercise]]></kwd>
<kwd lng="en"><![CDATA[cardiorespiratory fitness]]></kwd>
<kwd lng="en"><![CDATA[athletic performance]]></kwd>
</kwd-group>
</article-meta>
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