<?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>1135-5727</journal-id>
<journal-title><![CDATA[Revista Española de Salud Pública]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Esp. Salud Publica]]></abbrev-journal-title>
<issn>1135-5727</issn>
<publisher>
<publisher-name><![CDATA[Ministerio de Sanidad]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1135-57272016000100424</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto de un protocolo de entrenamiento interválico de alta intensidad sobre masa grasa corporal en adolescentes]]></article-title>
<article-title xml:lang="en"><![CDATA[Effects of High Intensity Interval Training on Fat Mass Parameters in Adolescents]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Cardenosa]]></surname>
<given-names><![CDATA[Alba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brazo-Sayavera]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Cardenosa]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcos-Serrano]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Timón]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olcina]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Extremadura Facultad de Ciencias del Deporte ]]></institution>
<addr-line><![CDATA[Cáceres ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<volume>90</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1135-57272016000100424&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1135-57272016000100424&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1135-57272016000100424&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Fundamentos: La infancia y la adolescencia son etapas claves para el desarrollo de enfermedades crónicas, siendo la distribución de grasa un importante factor en este sentido. El objetivo del estudio fue evaluar los efectos sobre parámetros de grasa de un programa de alta intensidad desarrollado en adolescentes durante las clases de educación física.  Métodos: Durante el año 2013, 35 escolares cacereños participaron en el estudio divididos en dos grupos. El grupo de alta intensidad realizó durante 8 semanas de 4 a 6 series de sprints de 20 segundos a máxima intensidad con una relación esfuerzo/recuperación de 1:3 a 1:1. El otro grupo desarrolló ejercicio aeróbico continuo durante el mismo tiempo. Se llevó a cabo una evaluación de la masa grasa antes y tras el programa de entrenamiento. El test ANOVA de medidas repetidas se usó para analizar si existían diferencias estadísticamente significativas entre ambos grupos.  Resultados: El grupo de entrenamiento aeróbico continuo mostró diferencias estadísticamente significativas en el análisis intra-grupo en el porcentaje de masa grasa del tronco (Pre:15,66±4,16 vs Post:16,95±4,03; +1,29%; p=0,04) y el porcentaje de grasa total (Pre:21,58±3,93/Post:22,34±3,70; p=0,05).  Conclusiones: El programa de entrenamiento de actividad física de alta intensidad en la escuela llevado a cabo durante las clases de Educación Física no mejoró los parámetros de masa grasa evaluados. Sin embargo, el mantenimiento de estos parámetros podría ser un buen resultado durante el desarrollo de esta etapa, donde se produce un incremento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Background: Childhood and adolescence are key to the development of chronic disease stages, the distribution of fat an important factor in this regard. The aim of the study was to evaluate the effects on fat parameters of a high intensity program developed in adolescents during physical education classes.  Methods: In 2013, 35 school-age children of Cáceres taken part in this study divided into two groups. The high-intensity group performed for 8 weeks, 4-6 sets of 20 seconds at maximal intensity with a ratio effort / recovery of 1: 3 to 1: 1. The other group, developed continuous aerobic exercise during the same time. It conducted an assessment of fat mass before and after the training program. Repeated measures ANOVA test was used to observe that there were no statistically significant differences.  Results: Continuous aerobic training group showed statistically significant differences in intra-group analysis in the percentage of fat mass trunk (Pre: 15.66 ± 4.16 vs Post: 16.95 ± 4.03; +1, 29%; p = 0.04) and the percentage of total fat (Pre: 21.58 ± 3.93 / Post: 22.34 ± 3.70; p = 0.05). Statistically significant differences were not found in the analysis between-groups in any of the studied variables.  Conclusions: The training program high intensity physical activity at school carried out during physical education classes did not improve fat mass parameters evaluated. However, maintaining these parameters could be a good result during the development of this stage, where an increase of these occurs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Obesidad]]></kwd>
<kwd lng="es"><![CDATA[Ejercicio aeróbico]]></kwd>
<kwd lng="es"><![CDATA[Adolescentes]]></kwd>
<kwd lng="es"><![CDATA[distribución de la grasa corporal]]></kwd>
<kwd lng="es"><![CDATA[Actividad física]]></kwd>
<kwd lng="es"><![CDATA[Estudiantes]]></kwd>
<kwd lng="es"><![CDATA[Colestero]]></kwd>
<kwd lng="es"><![CDATA[Insulina]]></kwd>
<kwd lng="en"><![CDATA[Adolescent]]></kwd>
<kwd lng="en"><![CDATA[Obesity]]></kwd>
<kwd lng="en"><![CDATA[Aerobic exercise]]></kwd>
<kwd lng="en"><![CDATA[Body Fat Distribution]]></kwd>
<kwd lng="en"><![CDATA[Physical activity]]></kwd>
<kwd lng="en"><![CDATA[Students]]></kwd>
<kwd lng="en"><![CDATA[Cholesterol]]></kwd>
<kwd lng="en"><![CDATA[Insulin]]></kwd>
<kwd lng="en"><![CDATA[Spain]]></kwd>
</kwd-group>
</article-meta>
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