<?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>1578-8423</journal-id>
<journal-title><![CDATA[Cuadernos de Psicología del Deporte]]></journal-title>
<abbrev-journal-title><![CDATA[CPD]]></abbrev-journal-title>
<issn>1578-8423</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Murcia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1578-84232023000300014</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Mejora de la dureza mental en halteristas universitarios mediante una intervención con biorretroalimentación basada en el modelo IZOF]]></article-title>
<article-title xml:lang="en"><![CDATA[Mental toughness improvement in college weightlifters through an intervention based on the IZOF model]]></article-title>
<article-title xml:lang="pt"><![CDATA[Melhoria da resistência mental em halterofilistas universitários através de uma intervenção de biofeedback baseada no modelo IZOF]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Barradas]]></surname>
<given-names><![CDATA[Erick Yael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juvera Portilla]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ródenas Cuenca]]></surname>
<given-names><![CDATA[Luis Tomás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Cruz]]></surname>
<given-names><![CDATA[Germán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reynoso-Sánchez]]></surname>
<given-names><![CDATA[Luis Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Instituto de Investigaciones Psicológicas ]]></institution>
<addr-line><![CDATA[Xalapa ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Organización Deportiva ]]></institution>
<addr-line><![CDATA[San Nicolás de los Garza ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Occidente Departamento de Ciencias Sociales y Humanidades ]]></institution>
<addr-line><![CDATA[Los Mochis ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>23</volume>
<numero>3</numero>
<fpage>87</fpage>
<lpage>102</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1578-84232023000300014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1578-84232023000300014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1578-84232023000300014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La intervención psicológica en el contexto del deporte ha intentado detectar un modelo que pueda predecir el máximo rendimiento deportivo; los estudios en donde se utilizan programas de intervención psicológica en las fases competitivas han mostrado cierta influencia en la mejora de habilidades psicológicas específicas para la práctica deportiva. El presente estudio tuvo como objetivo evaluar el efecto de un programa de control de activación basado en la Zona Individual de Funcionamiento Óptimo (IZOF), sobre los niveles de dureza mental en deportistas universitarios de halterofilia. La muestra constó de tres participantes, seleccionados por conveniencia. Se utilizó un diseño preexperimental de pretest-postest con un grupo único. Se aplicaron el Inventario Psicológico de Ejecución Deportiva y el Inventario de Ansiedad Estado Competitiva-2RD, este último de manera retrospectiva considerando tres momentos deportivos: a) Peor Rendimiento; b) Rendimiento Regular; c) Mejor Rendimiento; y uno de forma prospectiva, d) Post-intervención. Se registro la frecuencia cardiaca como herramienta para determinar la IZOF. El programa de intervención constó de 17 sesiones para la enseñanza y aplicación técnicas de control de activación. Se analizaron las variables psicológicas mediante la prueba T de Wilcoxon y el mínimo cambio apreciable, mientras que se obtuvieron medias para la frecuencia cardiaca para evaluar su comportamiento durante las ejecuciones de rendimiento. Los resultados posteriores a la intervención muestran cambios positivos en los niveles de ansiedad y autoconfianza, así como de las habilidades psicológicas para la práctica deportiva, y, la obtención y mantenimiento de la IZOF en los participantes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Psychological intervention in the sports context has tried to detect a model that can predict maximum sports performance. Studies in which psychological intervention programs were used in the competitive phases have shown some influence in the improvement of specific psychological skills for sports practice. The aim of the present study was to evaluate the effect of an activation control program based on the Individual Zone of Optimal Functioning (IZOF) on the mental toughness levels in university weightlifting athletes. The sample was of three participants, selected by convenience. A pre-experimental pretest-posttest design with a single group was used. The Psychological Inventory of Sport Performance and Inventory of Competitive State Anxiety-2RD (CSAI-2R) questionnaires were applied, the CSAI-2R was responded to retrospectively considering three different sporting moments: a) Worst Performance; b) Regular Performance; c) Best Performance; and, one prospectively after intervention: d) Treatment Performance. Heart rate recording was used as a tool to determine the IZOF. The intervention program consisted of 17 sessions for the teaching and application of activation control techniques. Psychological variables were analyzed through a Wilcoxon test and the smallest worthwhile change, whilst heart rate means were obtained to evaluate their behavior throughout the performance executions. Post-intervention results show positive changes in anxiety and self-confidence levels as well as in the psychological skills for sports practice, and the attainment and maintenance of IZOF in the participants.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO A intervenção psicológica no contexto do desporto tentou detectar um modelo que pode prever o máximo desempenho desportivo. Estudos nos quais são utilizados programas de intervenção psicológica nas fases competitivas mostraram uma certa influência na melhoria de competências psicológicas específicas para a prática desportiva. O objectivo do presente estudo foi avaliar o efeito da utilização de um programa de controlo de activação baseado na Zona Ótima de Funcioamento Individual (IZOF) sobre os níveis de resistência mental em atletas de halterofilismo universitários. A amostra consistiu em três participantes, seleccionados de forma não-probabilística por conveniência. Foi utilizado um desenho pré-experimental de pré-teste-pós-teste com um único grupo. Foram aplicados os seguintes questionários: 1) Inventário Psicológico do Desempenho Desportivo; e 2) Inventário da Ansiedade do Estado Competitivo-2RD, este último considerando retrospectivamente três momentos desportivos diferentes: a) pior desempenho; b) desempenho médio; c) melhor desempenho. Finalmente, um registo do ritmo cardíaco como ferramenta para determinar o IZOF. O programa de intervenção consistiu em 17 sessões para o ensino e aplicação de técnicas de controlo de activação. Os dados obtidos foram analisados utilizando um teste Wilcoxon para contrastar as diferenças entre as aplicações CSAI2-RD e IPED. Finalmente, a menor alteração mensurável (SWC) foi utilizada para detectar variações nas pontuações dos testes. Os resultados pós-intervenção mostram um aumento de algumas das capacidades psicológicas para a prática desportiva, e a obtenção e manutenção do IZOF em alguns participantes.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Intervención psicológica]]></kwd>
<kwd lng="es"><![CDATA[regulación emocional]]></kwd>
<kwd lng="es"><![CDATA[frecuencia cardiaca]]></kwd>
<kwd lng="es"><![CDATA[rendimiento deportivo]]></kwd>
<kwd lng="es"><![CDATA[biorretroalimentación]]></kwd>
<kwd lng="en"><![CDATA[Psychological intervention]]></kwd>
<kwd lng="en"><![CDATA[emotional regulation]]></kwd>
<kwd lng="en"><![CDATA[heart rate]]></kwd>
<kwd lng="en"><![CDATA[sports performance]]></kwd>
<kwd lng="en"><![CDATA[biofeedback]]></kwd>
<kwd lng="pt"><![CDATA[Intervenção psicológica]]></kwd>
<kwd lng="pt"><![CDATA[ritmo cardíaco]]></kwd>
<kwd lng="pt"><![CDATA[desempenho desportivo]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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