<?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>1659-097X</journal-id>
<journal-title><![CDATA[MHSalud]]></journal-title>
<abbrev-journal-title><![CDATA[MHSalud]]></abbrev-journal-title>
<issn>1659-097X</issn>
<publisher>
<publisher-name><![CDATA[Escuela de Ciencias del Movimiento Humano y Calidad de Vida, Universidad Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-097X2021000200060</article-id>
<article-id pub-id-type="doi">10.15359/mhs.18-2.5</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Vínculo entre composición corporal, sprint y salto vertical en futbolistas jóvenes de élite de Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Link Between Body Composition, Sprint, and Vertical Jump in Young Elite Soccer Players from Chile]]></article-title>
<article-title xml:lang="pt"><![CDATA[Relação entre a composição corporal, sprint e salto vertical em Jogadores de futebol juvenil de elite do Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Contreras]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merino-Muñoz]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aedo-Muñoz]]></surname>
<given-names><![CDATA[Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Asociación Nacional de Fútbol Profesional (ANFP) Selecciones Nacionales Juveniles ]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Audax Club Sportivo Italiano  ]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Santiago de Chile (USACH) Facultad de Ciencias Médicas Laboratorio de Ciencias de la Actividad Física, el Deporte y la Salud]]></institution>
<addr-line><![CDATA[Santiago ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>18</volume>
<numero>2</numero>
<fpage>60</fpage>
<lpage>76</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-097X2021000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-097X2021000200060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-097X2021000200060&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de este trabajo fue conocer las relaciones entre indicadores de composición corporal y rendimiento físico en jugadores jóvenes de élite y determinar si existen diferencias entre posiciones de juego y series. La muestra fue de futbolistas seleccionados Sub-15 (n=24) y Sub-17 (n=20) varones, divididos por posición de juego. Se evaluaron indicadores composición corporal, porcentaje de masa grasa (%MG) y porcentaje de masa muscular (%MM). Se evaluaron salto desde sentadilla (SJ), salto con contramovimiento (CMJ), velocidad lineal en 10 (T10) y 30 metros (T30). Se relacionaron variables de composición corporal y rendimiento físico, y se buscaron diferencias entre posiciones de juego y entre categorías. Se hallaron grandes asociaciones significativas en la categoría Sub-15 entre %MM con SJ y CMJ, y moderadas entre %MG con T10, SJ y CMJ. En Sub-17 una asociación significativa grande entre %MM y T30, y entre %MG y T30. Se hallaron diferencias significativas en %MG en la categoría Sub-17, entre los arqueros vs defensas y delanteros. Se encontraron diferencias significativas moderadas en %MM entre categorías y diferencias muy grandes en T10 y T30, y una diferencia moderada en SJ. Es posible concluir que la composición corporal %MM y %MG se relaciona con el rendimiento físico. Además, existen diferencias en %MG entre los arqueros vs los jugadores de campo y diferencias en las variables de composición corporal y rendimiento físico entre jugadores Sub-17 y sub-15. Los resultados obtenidos pueden servir de referencia o de parámetros de comparación de jugadores jóvenes a nivel nacional en la detección de talentos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The study aimed to know the relationships between indicators of body composition and physical performance in elite young players and determine if there are differences between playing positions and series. The sample was of selected U-15 (n=24) and U-17 (n=20) male players, divided by playing position. Body composition, fat mass percentage (%MG), and muscle mass percentage (%MM) indicators were evaluated. Also, Squat Jump (SJ), Countermovement Jump (CMJ), linear velocity in 10 (T10) and 30 meters (T30) were evaluated. Body composition and physical performance variables were related, and differences between playing positions and between categories were sought. Significant large associations were found in the U-15 category between %MM with SJ and CMJ and moderate associations between %MG with T10, SJ, and CMJ. In the U-17 category, a significant large association was found between %MM and T30 and between %MG and T30. Significant differences in %MG were found in the U-17 category between goalkeepers vs. defenders and forwards. Moderate significant differences were found in %MM between categories and very large differences in T10 and T30, and a moderate difference in SJ. Therefore, it is possible to conclude that the body composition %MM and %MG is related to physical performance. In addition, there are differences in %MG between goalkeepers vs. outfield players and differences in body composition and physical performance variables between U-17 and U-15 players. The results obtained can be used as a reference or as parameters for comparing young players at the national level in the detection of talent.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O objetivo deste trabalho foi conhecer as relações entre indicadores de composição corporal e desempenho físico em jovens jogadores de elite e verificar se existem diferenças entre posições de jogo e séries. A amostra foi composta por jogadores de futebol masculino sub-15 (n = 24) e sub-17 (n = 20) selecionados, divididos por posição de jogo. Foram avaliados indicadores de composição corporal, percentual de massa gorda (% MG) e percentual de massa muscular (% MM). Foram avaliados o salto de agachamento (SJ), salto de contra movimento (CMJ), velocidade linear a 10 (T10) e 30 metros (T30). Variáveis de composição corporal e desempenho físico foram relacionadas, e diferenças entre as posições de jogo e entre as categorias foram pesquisadas. Grandes associações significativas foram encontradas na categoria de menores de 15 anos entre% MM com SJ e CMJ, e moderadas entre% MG com T10, SJ e CMJ. Em Sub-17, uma grande associação significativa entre% MM e T30 e entre% MG e T30. Diferenças significativas foram encontradas na % MG na categoria Sub-17, entre goleiros x zagueiros e atacantes. Diferenças moderadas significativas foram encontradas em % MM entre as categorias e diferenças muito grandes em T10 e T30, e uma diferença moderada em SJ. É possível concluir que a composição corporal % MM e% MG está relacionada ao desempenho físico. Além disso, há diferenças na % MG entre goleiros e jogadores de campo e diferenças nas variáveis de composição corporal e desempenho físico entre jogadores Sub-17 e Sub-15. Os resultados obtidos podem servir de referência ou parâmetro de comparação de jovens jogadores a nível nacional para a detecção de talentos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fútbol]]></kwd>
<kwd lng="es"><![CDATA[composición corporal]]></kwd>
<kwd lng="es"><![CDATA[carrera]]></kwd>
<kwd lng="es"><![CDATA[salto vertical]]></kwd>
<kwd lng="en"><![CDATA[soccer]]></kwd>
<kwd lng="en"><![CDATA[body composition]]></kwd>
<kwd lng="en"><![CDATA[sprint]]></kwd>
<kwd lng="en"><![CDATA[vertical jump]]></kwd>
<kwd lng="pt"><![CDATA[futebol]]></kwd>
<kwd lng="pt"><![CDATA[composição corporal]]></kwd>
<kwd lng="pt"><![CDATA[corrida]]></kwd>
<kwd lng="pt"><![CDATA[salto vertical]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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