<?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>2665-2056</journal-id>
<journal-title><![CDATA[Revista de investigación e innovación en ciencias de la salud]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Investig. Innov. Cienc. Salud]]></abbrev-journal-title>
<issn>2665-2056</issn>
<publisher>
<publisher-name><![CDATA[Fundación Universitaria María Cano]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2665-20562024000200177</article-id>
<article-id pub-id-type="doi">10.46634/riics.267</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Development of physical fitness through simulation exercises for ski racers aged 13-14. Non-randomized quasi-experimental study]]></article-title>
<article-title xml:lang="es"><![CDATA[Desarrollo de la condición física mediante ejercicios de simulación para corredores de esquí de 13-14 años. Estudio cuasi-experimental no aleatorizado]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Polevoy]]></surname>
<given-names><![CDATA[Georgiy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes-Barría]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera-Eguía]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Moscow Polytechnic University Department of Physical Education ]]></institution>
<addr-line><![CDATA[Moscow ]]></addr-line>
<country>Russia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Andres Bello Facultad de Odontología ]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Arturo Prat  ]]></institution>
<addr-line><![CDATA[Iquique ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Católica de la Santísima Concepción Facultad de Medicina Departamento de Salud Pública]]></institution>
<addr-line><![CDATA[Concepción ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>6</volume>
<numero>2</numero>
<fpage>177</fpage>
<lpage>187</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2665-20562024000200177&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2665-20562024000200177&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2665-20562024000200177&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  In recent decades, the level of skiing performance in Russia has decreased significantly. This has necessitated problems with the preparation of athletes for competitions and the training process.  Objective:  To analyze the effects of simulation training tools on the physical condition of ski racers aged 13-14 years.  Methods:  Quasi-experimental, non-randomized study. 40 cross-country skiers aged 13-14 years belonging to the Korshik Village sports school (Russia) were assigned to a control (n = 20) and experimental (n = 20) group. Classes in the control group were conducted according to the usual training plan and in the experimental group simulation exercises were used. The control tests included pull-ups, squats, two-legged long jump, simulated 100-meter climbing and a 500-meter running test.  Results:  The control group showed no significant improvements (p &gt; 0.05), while the experimental group reported significant improvements in pull-ups (22.2%; p&lt; 0.05), squat (5.9%; p&lt; 0.05), two-legged long jump (6.8%; p&lt; 0.05), 100-meter climbing simulation (7.8%; p&lt; 0.05) and 500-meter run (4.2 %, p &lt;0.05).  Conclusion:  If, in the preparatory period, a series of simulation exercises are included in the training program for skiers aged 13-14 years, the level of physical fitness of athletes will improve significantly.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  En las últimas décadas, el nivel de rendimiento del esquí en Rusia ha disminuido significativamente. Esto plantea nuevos desafíos en la preparación de los atletas para las competiciones y el proceso de entrenamiento.  Objetivo:  Analizar los efectos de las herramientas de entrenamiento por simulación sobre la condición física de corredores de esquí de entre 13 y 14 años.  Métodos:  Estudio cuasiexperimental, no aleatorizado. 40 esquiadores de fondo de entre 13 y 14 años pertenecientes a la escuela deportiva Korshik Village (Rusia) fueron asignados a un grupo control (n=20) y experimental (n=20). Las clases en el grupo de control se llevaron a cabo según el plan de entrenamiento habitual y en el grupo experimental se utilizaron ejercicios de simulación. Las pruebas de control incluyen dominadas, sentadillas, salto de longitud con dos piernas, escalada simulada de 100 metros y una prueba de carrera de 500 metros.  Resultados:  El grupo control no presentó mejoras significativas (p&gt;0,05), mientras que el grupo experimental reportó mejoras significativas en dominadas (22,2%; p&lt;0,05), sentadilla (5,9%; p&lt;0,05), salto de longitud a dos piernas (6,8%; p&lt;0,05), simulación de escalada de 100 metros (7,8%; p&lt;0,05) y carrera de 500 metros (4,2%; p&lt;0,05).  Conclusión:  Si en el periodo preparatorio se incluye una serie de ejercicios de simulación en el programa de entrenamiento para esquiadores de 13-14 años, el nivel de condición física de los deportistas mejorará significativamente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Physical qualities]]></kwd>
<kwd lng="en"><![CDATA[snow sports]]></kwd>
<kwd lng="en"><![CDATA[physical fitness]]></kwd>
<kwd lng="en"><![CDATA[simulated training]]></kwd>
<kwd lng="en"><![CDATA[child]]></kwd>
<kwd lng="es"><![CDATA[Cualidades físicas]]></kwd>
<kwd lng="es"><![CDATA[deportes de nieve]]></kwd>
<kwd lng="es"><![CDATA[aptitud física]]></kwd>
<kwd lng="es"><![CDATA[entrenamiento simulado]]></kwd>
<kwd lng="es"><![CDATA[niño]]></kwd>
</kwd-group>
</article-meta>
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