<?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>S1659-097X2021000200001</article-id>
<article-id pub-id-type="doi">10.15359/mhs.18-2.1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Demandas físicas de jugadores profesionales costarricenses de fútbol: Influencia de la posición de juego y nivel competitivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Physical Demands of Costa Rican Professional Soccer Players: Influence of the Playing Position and the Competitive Level]]></article-title>
<article-title xml:lang="pt"><![CDATA[Demandas físicas de jogadores profissionais de futebol da Costa Rica: Influência da posição de jogo e nível competitivo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morera-Barrantes]]></surname>
<given-names><![CDATA[Roy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calderón-Chaverri]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Vargas]]></surname>
<given-names><![CDATA[Randall]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Valverde]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Vargas]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ugalde-Ramírez]]></surname>
<given-names><![CDATA[Jose Alexis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Escuela Ciencias del Movimiento Humano y Calidad de Vida Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Escuela Ciencias del Movimiento Humano y Calidad de Vida Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Escuela Ciencias del Movimiento Humano y Calidad de Vida Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Escuela Ciencias del Movimiento Humano y Calidad de Vida Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Escuela de Ciencias del Movimiento Humano y Calidad de Vida Centro de Desarrollo y Recuperación de la Salud (CEDERSA)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional Escuela Ciencias del Movimiento Humano y Calidad de Vida Centro de Investigación y Diagnóstico en Salud y Deporte (CIDISAD)]]></institution>
<addr-line><![CDATA[Heredia ]]></addr-line>
<country>Costa Rica</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>1</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-097X2021000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-097X2021000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-097X2021000200001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La monitorización de las demandas físicas durante partidos de fútbol con tecnologías GPS proporciona información valiosa que puede ser utilizada para potenciar el rendimiento deportivo. Por tanto, el objetivo de este estudio fue conocer las demandas físicas de jugadores profesionales costarricenses de fútbol, así como analizar la influencia de la posición de juego y el nivel competitivo durante partidos. Sesenta futbolistas masculinos, 50 de la primera división del fútbol costarricense y 10 de una selección nacional absoluta de CONCACAF (SAC), fueron monitoreados con un Sistema de Posicionamiento Global (GPS) para cuantificar variables cinemáticas como la distancia recorrida (m), total y a diferentes intensidades (Z 1-5), velocidad máxima (km/h), impactos totales (g), aceleraciones (m/s) y desaceleraciones (m/s). Las posiciones de juego se categorizaron en: defensas (Def), mediocampistas (Med) y delanteros (Del), y el nivel competitivo en: a) SAC, b) Equipos de nivel élite (ENE) y c) Equipos de nivel sub-élite (ENS). Los resultados reflejaron diferencias significativas respecto al nivel competitivo en la distancia recorrida a diferentes intensidades Z1 (SAC &gt;ENS &gt;ENE), Z2 (ENE &gt;SAC &gt;ENS) y Z4 (ENE &gt;SAC &gt;ENS), aceleraciones (SAC &gt;ENE &gt;ENS) y en desaceleraciones (SAC &gt;ENS &gt;ENE). Por posiciones de juego, las diferencias estuvieron en la distancia total (Med &gt;Def &gt;Del), en la distancia recorrida en Z2 (Med &gt;Def &gt;Del) y Z3 (Med &gt;Def &gt;Del), así como en impactos totales (Med &gt;Def &gt;Del). Se concluye que el nivel competitivo influye sobre las demandas físicas. SAC registró más aceleraciones y desaceleraciones y, ENE recorrió mayor distancia a esfuerzos moderados e intensos. Existen diferencias en las posiciones de juego, los mediocampistas recorrieron mayores distancias y registraron más impactos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Monitoring physical demands during soccer matches with GPS technologies provides valuable information that can be used to enhance sports performance. Therefore, this study aimed to know Costa Rican professional soccer players' physical demands and analyze the influence of the playing position and the competitive level during matches. Sixty male soccer players, 50 from the first division of Costa Rican soccer and 10 from an absolute national CONCACAF (SAC) team were monitored with a Global Positioning System (GPS) to quantify kinematic variables such as distance traveled (m), total and different intensities (Z 1-5), maximum speed (km/h), total impacts (g), accelerations (m / s) and decelerations (m/s). The game positions were categorized into defenses (Def), midfielders (Mid) and forward (For), and the competitive level in a) SAC, b) Elite level teams (ENE), and c) Sub-elite level teams (ENS). The results reflected significant differences regarding the competitive level in the distance traveled at different intensities Z1 (SAC &gt;ENS &gt;ENE), Z2 (ENE &gt;SAC &gt;ENS) and Z4 (ENE &gt;SAC &gt;ENS), in accelerations (SAC &gt;ENE &gt;ENS), and in decelerations (SAC &gt;ENS &gt;ENE). By game positions, the differences were in the total distance (Mid &gt;Def &gt;For), in the distance traveled in Z2 (Mid &gt;Def &gt;For) and Z3 (Mid &gt;Def &gt;For), as well as in total impacts (Mid &gt;Def &gt;For). It is concluded that the competitive level influences the physical demands. SAC registered more accelerations and decelerations, and ENE traveled a greater distance with moderate and intense efforts. There were differences between playing positions; midfielder traveled longer distances and recorded more impacts.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O monitoramento das demandas físicas durante partidas de futebol com tecnologias GPS fornece informações valiosas que podem ser usadas para aprimorar o desempenho atlético. Portanto, o objetivo deste estudo foi conhecer as demandas físicas dos jogadores de futebol profissional da Costa Rica, bem como analisar a influência da posição de jogo e do nível competitivo durante os jogos. Sessenta jogadores de futebol masculino, 50 da primeira divisão do futebol costarriquenho e 10 da seleção nacional absoluta da CONCACAF (SAC), foram monitorados com um Sistema de Posicionamento Global (GPS) para quantificar variáveis cinemáticas como distância percorrida (m), total já diferentes intensidades (Z 1-5), velocidade máxima (km / h), impactos totais (g), acelerações (m / s) e desacelerações (m / s). As posições de jogo foram categorizadas em: defensores (Def), meio-campistas (Med) e atacantes (Del), e o nível competitivo em: a) SAC, b) Times de elite (ENE) e c) times de nível pré-elite (ENS). Os resultados refletiram diferenças significativas em relação ao nível competitivo na distância percorrida em diferentes intensidades Z1 (SAC&gt; ENS&gt; ENE), Z2 (ENE&gt; SAC&gt; ENS) e Z4 (ENE&gt; SAC&gt; ENS), acelerações (SAC&gt; ENE&gt; ENS) e em desacelerações (SAC&gt; ENS&gt; ENE). Por posições de jogo, as diferenças foram na distância total (Med&gt; Def&gt; Del), na distância percorrida em Z2 (Med&gt; Def&gt; Del) e Z3 (Med&gt; Def&gt; Del), bem como nos impactos totais (Med &gt; Def&gt; Del). Conclui-se que o nível competitivo influencia as demandas físicas. O SAC registrou mais acelerações e desacelerações, e a ENE percorreu uma distância maior com esforços moderados e intensos. Existem diferenças nas posições de jogo, os meio-campistas percorreram distâncias maiores e registraram mais impactos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[fútbol]]></kwd>
<kwd lng="es"><![CDATA[nivel competitivo]]></kwd>
<kwd lng="es"><![CDATA[posiciones de juego]]></kwd>
<kwd lng="es"><![CDATA[GPS]]></kwd>
<kwd lng="es"><![CDATA[variables cinemáticas]]></kwd>
<kwd lng="en"><![CDATA[soccer]]></kwd>
<kwd lng="en"><![CDATA[competitive level]]></kwd>
<kwd lng="en"><![CDATA[playing positions]]></kwd>
<kwd lng="en"><![CDATA[GPS]]></kwd>
<kwd lng="en"><![CDATA[kinematic variables]]></kwd>
<kwd lng="pt"><![CDATA[futebol]]></kwd>
<kwd lng="pt"><![CDATA[nível competitivo]]></kwd>
<kwd lng="pt"><![CDATA[posições de jogo]]></kwd>
<kwd lng="pt"><![CDATA[GPS]]></kwd>
<kwd lng="pt"><![CDATA[variáveis cinemáticas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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