<?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>0212-1611</journal-id>
<journal-title><![CDATA[Nutrición Hospitalaria]]></journal-title>
<abbrev-journal-title><![CDATA[Nutr. Hosp.]]></abbrev-journal-title>
<issn>0212-1611</issn>
<publisher>
<publisher-name><![CDATA[Grupo Arán]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0212-16112017000300632</article-id>
<article-id pub-id-type="doi">10.20960/nh.618</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Cambios de la composición corporal tras un periodo de desentrenamiento deportivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Body composition changes after sport detraining period]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvero-Cruz]]></surname>
<given-names><![CDATA[José Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A5"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ronconi]]></surname>
<given-names><![CDATA[Mauro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Romero]]></surname>
<given-names><![CDATA[Jerónimo C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo-de-Albornoz-Gil]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez López]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correas Gómez]]></surname>
<given-names><![CDATA[Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carnero]]></surname>
<given-names><![CDATA[Elvis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Málaga Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Málaga ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Málaga Andalucía Tech ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Málaga Laboratorio de Biodinámica y Composición Corporal ]]></institution>
<addr-line><![CDATA[Málaga ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Investigaciones Biomédicas de Málaga (IBIMA)  ]]></institution>
<addr-line><![CDATA[Málaga ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Internacional de La Rioja  ]]></institution>
<addr-line><![CDATA[Logroño La Rioja]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>632</fpage>
<lpage>638</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0212-16112017000300632&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0212-16112017000300632&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0212-16112017000300632&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  la influencia del ejercicio físico en sujetos entrenados tiene efectos beneficiosos en la condición física y la composición corporal. Sin embargo, el desentrenamiento tiene un efecto desfavorable en todas ellas.  Objetivo:  el propósito del estudio fue analizar los cambios de la composición corporal después de un periodo de desentrenamiento de seis semanas de duración en dos grupos: uno de 43 jóvenes varones jugadores de fútbol (grupo experimental [GE], n = 43), y un grupo control de escolares no activos de la misma edad (grupo control [GC], n = 10).  Métodos:  las variables de composición corporal fueron evaluadas mediante antropometría, para estimar la masa grasa (MG) y la masa muscular esquelética (MME), y mediciones de bioimpedancia eléctrica, para estimar agua corporal total (ACT), agua extra (AEC) e intracelular (AIC). Las mediciones se realizaron tanto en situación de entrenamiento como de desentrenamiento.  Resultados:  tras el desentrenamiento, se encontraron diferencias significativas en el ACT (35,5 ± 5,2 vs. 36,7 ± 4,9 kg), el AIC (14,2 ± 1,8 vs. 14,8 ± 1,6 kg) y el AEC (21,5 ± 3,6 vs. 22,0 ± 3,4 kg, p &lt; 0,001 para todas las variables), sin existir diferencias en los ratios AEC/ACT (0,4 ± 0,02 vs. 0,4 ± 0,02) y AIC/ACT (0,6 ± 0,02 vs. 0,597 ± 0,02, ambos p &gt; 0,05). La MG aumentó significativamente (8,6 ± 3,2 vs. 8.95 ± 3,1 kg, p &lt; 0,01); sin embargo, la MME no sufrió modificaciones (21,2 ± 2,5 vs. 22,22 ± 2,8 kg, p &gt; 0,05)  Conclusiones:  el principal resultado de este estudio fue que en un periodo de desentrenamiento de seis semanas se observaron aumentos del ACT y de su distribución en el grupo de jóvenes futbolistas. La importancia fisiológica de esta desadaptación en el rendimiento deportivo tiene que ser analizada en futuros estudios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  The influence of exercise in trained subjects has beneficial effects in the physical fitness and body composition; however, detraining has an unfavorable effect in all of them.  Objective:  The current study was designed to ascertain the influence of a six week-detraining period on body composition in both well-trained young soccer players (GE, n = 43) and sedentary male adolescents (GC, n = 10).  Methods:  Forty-three well-trained soccer players and ten sedentary adolescents accepted to participate in the study. Body composition measurements included fat mass and skeletal muscle mass (SMM), which were estimated by anthropometry. In addition, total body water (TBW), intracellular water (ICW) and extracellular water (ECW) were assessed by bioelectrical impedance analysis (BIA) at the end of training and after detraining periods.  Results:  After the six-week-detraining period, significant increments were found in TBW (35.5 ± 5.2 vs. 36.7 ± 4.9 kg; p &lt; 0.001), ICW (14.2 ± 1.8 vs. 14.8 ± 1.6 kg; p &lt; 0.001) and ECW (21.5 ± 3.6 vs. 22.0 ± 3.4 kg; p &lt; 0.001) in soccer players. Conversely, no changes were observed in ECW/TBW (0.4 ± 0.02 vs. 0.4 ± 0.02; p &gt; 0.05) and ICW/TBW (0.6 ± 0.02 vs. 0.597 ± 0.02; p &gt; 0.05) ratios. Finally, fat mass was significantly increased (8.6 ± 3.2 vs. 8.95 ± 3.1 kg; p &lt; 0.01) in the detrained group. No significant changes were found in SMM (21.2 ± 2.5 vs. 22.22 ± 2.8 kg, p &gt; 0.05).  Conclusions:  After a six-week detraining period, body composition changed significantly in well-trained adolescents. The main finding of this study was that increments of TBW and water distribution were observed in the soccer group, which reflects an increase of fat free mass compartment. The physiological importance of this miss-adaptation needs to be elucidated in future research. Further studies on this topic are still required to assess its impact on physical performance.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Composición corporal]]></kwd>
<kwd lng="es"><![CDATA[Antropometría]]></kwd>
<kwd lng="es"><![CDATA[Bioimpedancia eléctrica]]></kwd>
<kwd lng="es"><![CDATA[Desentrenamiento]]></kwd>
<kwd lng="en"><![CDATA[Body composition]]></kwd>
<kwd lng="en"><![CDATA[Anthropometry]]></kwd>
<kwd lng="en"><![CDATA[Bioelectrical impedance analysis]]></kwd>
<kwd lng="en"><![CDATA[Detraining]]></kwd>
</kwd-group>
</article-meta>
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