<?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>1657-8961</journal-id>
<journal-title><![CDATA[Pensamiento Psicológico]]></journal-title>
<abbrev-journal-title><![CDATA[Pensam. psicol.]]></abbrev-journal-title>
<issn>1657-8961</issn>
<publisher>
<publisher-name><![CDATA[Pontificia Universidad Javeriana, seccional Cali]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1657-89612020000200058</article-id>
<article-id pub-id-type="doi">10.11144/javerianacali.ppsi18-2.pemp</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Predicting Exertion from Metabolic, Physiological and Cognitive Variables in Older Adults]]></article-title>
<article-title xml:lang="es"><![CDATA[Predicción del esfuerzo con variables metabólicas, fisiológicas y cognitivas en adultos mayores]]></article-title>
<article-title xml:lang="pt"><![CDATA[Predição do esforço com variáveis metabólicas, fisiológicas e congênitas em idosos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chacón-Araya]]></surname>
<given-names><![CDATA[Yamileth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briceño-Torres]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peralta-Brenes]]></surname>
<given-names><![CDATA[Mariana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Gamboa]]></surname>
<given-names><![CDATA[Rebeca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[David K.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Watts]]></surname>
<given-names><![CDATA[Amber]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vidoni]]></surname>
<given-names><![CDATA[Eric D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Billinger]]></surname>
<given-names><![CDATA[Sandra A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar-Villanea]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moncada-Jiménez]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,University of California  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,University of Kansas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,University of Kansas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,University of Kansas Medical Center  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Estados Unidos</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>18</volume>
<numero>2</numero>
<fpage>58</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1657-89612020000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1657-89612020000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1657-89612020000200058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective. To determine the association between perceived exertion (RPE) and physiological variables and to determine the predictive factors of RPE during submaximal and maximal exertion in older adults.  Method. Older adults from Kansas (n = 100) and Costa Rica (n = 79) performed a submaximal and maximal stress test. RPE, education level and a total score of cognitive function (CFTS) were collected. Correlation and multiple regression analyses were computed using RPE as the criterion variable and oxygen consumption (VO2), respiratory exchange ratio (RER), CFTS and education level as predictors.  Results. There was a significant correlation between VEP and RER (r = 0.22, p = 0.029) at maximal exertion. The RPE predictors for women were VO2, RER, and CFTS at different stages of the test. For men, VEP was predicted by RER, education level, and VO2 at different stages.  Conclusion. Metabolic and physiological variables predicted RPE in older adults. Age, cognition, and heart rate were unrelated to RPE at maximal exertion, and RER predicted RPE scores during submaximal and maximal exertion.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo. Determinar la asociación entre el esfuerzo percibido (VEP) y variables fisiológicas y determinar los factores predictivos de VEP durante el esfuerzo submáximo y máximo en adultos mayores.  Método. Adultos mayores de Kansas (n = 100) y Costa Rica (n = 79) realizaron una prueba de esfuerzo submáxima y máxima. Se recopiló la VEP, nivel de educación y una puntuación total de la función cognitiva (PTFC). Se usaron análisis de correlación y regresión múltiple utilizando VEP como variable criterio y el consumo de oxígeno (VO2), tasa de intercambio respiratorio (RER), PTFC y nivel de educación como predictores.  Resultados. Se encontró una correlación significativa entre la VEP y la RER (r = 0.22, p = 0.029) en el esfuerzo máximo. Los predictores de VEP para las mujeres fueron VO2, RER y PTFC en diferentes etapas de la prueba. Para los hombres, la VEP fue predicha por RER, nivel de educación y VO2 en diferentes etapas.  Conclusión. Las variables metabólicas y fisiológicas predijeron los valores de VEP en adultos mayores. La edad, la cognición y la FC no se relacionaron con la VEP en el esfuerzo máximo y la RER predijo las puntuaciones de la VEP durante el esfuerzo submáximo y máximo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Escopo. Determinar a associação entre o esforço percebido (VEP) e as variáveis fisiológicas e determinar os fatores preditivos de VEP durante o esforço submáximo e máximo em idosos.  Metodologia. Idosos de Kansas (n= 100) e Costa Rica (n= 79) realizaram uma prova de esforço submáxima e máxima. Foi recopilada o VEP, nível de educação e pontuação total da função cognitiva (PTFCO. Foram usadas análises de correlação e regressão múltipla utilizando VEP como variável critério e o consumo de oxigeno (VO2), taxa de intercambio respiratório (RER), PTFC e nível de educação como preditores.  Resultados. Foi encontrada uma correlação significativa entre a VEP e a RER (r = 0.22, p = 0.029)) no esforço máximo. Os preditores de VEP para as mulheres foram VO2, RER e PTFC em diferentes etapas da prova. Para os homens, a VEP foi predita por RER, nível de educação e VO2 em diferentes etapas.  Conclusão. As variáveis metabólicas e fisiológicas predisseram os valores de VEP em idosos. A idade, a cognição e a FC não estiveram relacionadas com a VEP no esforço máximo e a RER predizia as pontuações da VEP durante o esforço submáximo e máximo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Perception]]></kwd>
<kwd lng="en"><![CDATA[respiration]]></kwd>
<kwd lng="en"><![CDATA[older adults]]></kwd>
<kwd lng="en"><![CDATA[testing]]></kwd>
<kwd lng="es"><![CDATA[Percepción]]></kwd>
<kwd lng="es"><![CDATA[respiración]]></kwd>
<kwd lng="es"><![CDATA[adultos mayores]]></kwd>
<kwd lng="es"><![CDATA[pruebas]]></kwd>
<kwd lng="pt"><![CDATA[Percepção]]></kwd>
<kwd lng="pt"><![CDATA[respiração]]></kwd>
<kwd lng="pt"><![CDATA[idosos]]></kwd>
<kwd lng="pt"><![CDATA[provas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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