<?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>1646-107X</journal-id>
<journal-title><![CDATA[Motricidade]]></journal-title>
<abbrev-journal-title><![CDATA[Motri.]]></abbrev-journal-title>
<issn>1646-107X</issn>
<publisher>
<publisher-name><![CDATA[Edições Desafio Singular]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-107X2014000300003</article-id>
<article-id pub-id-type="doi">10.6063/motricidade.10(3).2708</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Indicadores antropométricos, mas não a aptidão aeróbia, se associam com a reatividade vascular de pressão arterial em homens]]></article-title>
<article-title xml:lang="en"><![CDATA[Anthropometric parameters, but not aerobic fitness, associates with vascular reactivity of blood pressure in men]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nascimento]]></surname>
<given-names><![CDATA[Reginaldo Luiz]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Junior]]></surname>
<given-names><![CDATA[Mário Sevilio]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[Ricardo Ariel Costa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreira]]></surname>
<given-names><![CDATA[Sérgio Rodrigues]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidade Federal do Vale do São Francisco  ]]></institution>
<addr-line><![CDATA[Petrolina PE]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade Federal do Maranhão  ]]></institution>
<addr-line><![CDATA[São Luís MA]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2014</year>
</pub-date>
<volume>10</volume>
<numero>3</numero>
<fpage>12</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-107X2014000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-107X2014000300003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-107X2014000300003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[O objetivo deste estudo foi verificar a associação entre indicadores antropométricos e aptidão aeróbia com a reatividade vascular de pressão arterial (RV PA) em homens saudáveis. Quarenta indivíduos do sexo masculino (27.3 ± 6.3 anos; 77.2 ± 11.5 kg; 175.7 ± 6.9 cm) realizaram medidas de índice de massa corporal (IMC), circunferência da cintura (CC), relação cintura/quadril (RCQ), percentual de gordura (%G), consumo máximo de oxigénio (VO2max) e um teste de RV PA (Cold Pressor Test - CPT) com imersão da mão em água a 4º Celsius durante 1 minuto. Não ocorreu associação entre aptidão aeróbia (VO2max abaixo ou acima da média e teste de correlação) com RV PA (p&gt; 0.05). Indicadores antropométricos como IMC (r= 0.31 / 0.54), CC (r= 0.30 / 0.49), RCQ (r= 0.30 / 0.36) e %G (r= 0.31 / 0.35) demonstraram correlações significativas com RV PA (p< 0.05), contudo, somente a CC durante o CPT (ß= 0.30 / 0.43) e o IMC após o CPT (ß= 0.54 / 0.81) foram preditores da RV PA (p= 0.05). Conclui-se que indicadores antropométricos apresentaram correlações independentes com a RV PA, contudo, apenas a CC (durante) e o IMC (após) se mostraram preditores significativos da RV PA, o que sugere que a adiposidade corporal, independente da aptidão aeróbia, tenha importante papel como fator de risco para a doença cardiovascular.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The aim of this study was to verify the association between anthropometric parameters and aerobic fitness with vascular reactivity of blood pressure (VR BP) at healthy male subjects. It was assessed in forty apparently healthy male (27.3 ± 6.3 years; 77.2 ± 11.5 kg; 175.7 ± 6.9 cm) the body mass index (BMI), waist circumference (WC), waist-rip ratio (WRR), body fat (%BF), maximum oxygen uptake (VO2max) and a VR test of BP (Cold Pressor Test - CPT) with immersion of hand in the water (4º Celsius during 1 min). There was no association between aerobic fitness (VO2max below or above of mean and relationship test) and VR BP (p&gt; 0.05). Anthropometric indicators as BMI (r= 0.31 / 0.54), WC (r= 0.30 / 0.49), WRR (r= 0.30 / 0.36) and %BF (r= 0.31 / 0.35) showed positive relationships with VR BP (p< 0.05). However, only WC during the CPT (ß= 0.30 / 0.43) and BMI after the CPT (ß= 0.54 / 0.81) were predictors of VR BP (p= 0.05). We conclude that anthropometric indicators showed independents relationships with VR BP. Nevertheless, only the WC (during) and BMI (after) were significant predictors of VR BP, suggesting that body adiposity, independent of aerobic fitness, have an important role as a cardiovascular risk factor.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[adiposidade corporal]]></kwd>
<kwd lng="pt"><![CDATA[antropometria]]></kwd>
<kwd lng="pt"><![CDATA[aptidão física]]></kwd>
<kwd lng="pt"><![CDATA[reatividade vascular]]></kwd>
<kwd lng="en"><![CDATA[body adiposity]]></kwd>
<kwd lng="en"><![CDATA[anthropometric]]></kwd>
<kwd lng="en"><![CDATA[physical fitness]]></kwd>
<kwd lng="en"><![CDATA[vascular reactivity]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><b><font size="2" face="Verdana">ARTIGO ORIGINAL</font></b></p>     <p>&nbsp;</p>     <p><font size="4" face="Verdana"><b>Indicadores antropom&#233;tricos, mas n&#227;o a aptid&#227;o aer&#243;bia,   se associam com a reatividade vascular de press&#227;o arterial em homens</b> </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>Anthropometric   parameters, but not aerobic fitness, associates with vascular reactivity of blood pressure in men</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><b>Reginaldo Luiz Nascimento<sup>1</sup>; Francisco   Navarro<sup>2</sup>; M&#225;rio Sevilio Junior<sup>2</sup>; Ricardo Ariel Costa Souza<sup>1</sup>; S&#233;rgio Rodrigues Moreira<sup>1,<a href="#end">*</a></sup></b></font><a name="topo" id="topo"></a></p>     <p><font size="2" face="Verdana"><sup>1</sup><i >Universidade Federal do Vale do S&#227;o Francisco (UNIVASF), Petrolina, PE - Brasil</i> </font>    <br> <font size="2" face="Verdana"><sup>2</sup><i >Universidade Federal do Maranh&#227;o (UFMA), S&#227;o Lu&#237;s - MA, Brasil</i> </font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b >RESUMO</b></font></p>     <p><font size="2" face="Verdana">O   objetivo deste estudo foi verificar a associa&#231;&#227;o entre indicadores   antropom&#233;tricos e aptid&#227;o aer&#243;bia com a reatividade vascular de press&#227;o   arterial (RV<sub>PA</sub>) em homens saud&#225;veis. Quarenta indiv&#237;duos do sexo   masculino (27.3 &#177; 6.3 anos; 77.2 &#177; 11.5 kg; 175.7 &#177; 6.9 cm) realizaram medidas   de &#237;ndice de massa corporal (IMC), circunfer&#234;ncia da cintura (CC), rela&#231;&#227;o   cintura/quadril (RCQ), percentual de gordura (%G), consumo m&#225;ximo de oxig&#233;nio   (VO<sub>2</sub>max) e um teste de RV<sub>PA</sub> (<i >Cold Pressor Test &#8211; CPT</i>) com imers&#227;o da m&#227;o em &#225;gua a 4&#186; Celsius   durante 1 minuto. N&#227;o ocorreu associa&#231;&#227;o entre aptid&#227;o aer&#243;bia (VO<sub>2</sub>max   abaixo ou acima da m&#233;dia e teste de correla&#231;&#227;o) com RV<sub>PA</sub> (<i >p</i>&#62; 0.05). Indicadores antropom&#233;tricos   como IMC (<i >r</i>= 0.31 / 0.54), CC (<i >r</i>= 0.30 / 0.49), RCQ (<i >r</i>= 0.30 / 0.36) e %G (<i >r</i>= 0.31 / 0.35) demonstraram correla&#231;&#245;es   significativas com RV<sub>PA</sub> (<i >p</i>&#60;   0.05), contudo, somente a CC durante o CPT (<i >ß</i>= 0.30 / 0.43)   e o IMC ap&#243;s o CPT (<i >ß</i>= 0.54 / 0.81) foram preditores da RV<sub>PA</sub> (<i >p</i>= 0.05). Conclui-se que   indicadores antropom&#233;tricos apresentaram correla&#231;&#245;es independentes com a RV<sub>PA</sub>,   contudo, apenas a CC (durante) e o IMC (ap&#243;s) se mostraram preditores   significativos da RV<sub>PA</sub>, o que sugere que a adiposidade corporal,   independente da aptid&#227;o aer&#243;bia, tenha importante papel como fator de risco para a doen&#231;a cardiovascular.</font></p>     <p><font size="2" face="Verdana"><b>Palavras-chave: </b>adiposidade corporal, antropometria, aptid&#227;o f&#237;sica, reatividade vascular </font></p> <hr size="1" noshade>     <p><font size="2" face="Verdana"><b >ABSTRACT</b> </font></p>     <p><font size="2" face="Verdana">The   aim of this study was to verify the association between anthropometric parameters   and aerobic fitness with vascular reactivity of blood pressure (VR<sub>BP</sub>)   at healthy male subjects. It was assessed in forty apparently healthy male (27.3   &#177; 6.3 years; 77.2 &#177; 11.5 kg; 175.7 &#177; 6.9 cm) the body mass index (BMI), waist   circumference (WC), waist-rip ratio (WRR), body fat (%BF), maximum oxygen   uptake (VO<sub>2</sub>max) and a VR test of BP (Cold Pressor Test - CPT) with   immersion of hand in the water (4&#186; Celsius during 1 min). There was no   association between aerobic fitness (VO<sub>2</sub>max below or above of mean   and relationship test) and VR<sub>BP</sub> (<i >p</i>&#62;   0.05). Anthropometric indicators as BMI (<i >r</i>=   0.31 / 0.54), WC (<i >r</i>= 0.30 / 0.49),   WRR (<i >r</i>= 0.30 / 0.36) and %BF (<i >r</i>= 0.31 / 0.35) showed positive   relationships with VR<sub>BP</sub> (<i >p</i>&#60;   0.05). However, only WC during the CPT (<i >ß</i>= 0.30 / 0.43)   and BMI after the CPT (<i >ß</i>= 0.54 / 0.81) were predictors of VR<sub>BP</sub> (<i >p</i>= 0.05). We conclude that   anthropometric indicators showed independents relationships with VR<sub>BP</sub>.   Nevertheless, only the WC (during) and BMI (after) were significant predictors   of VR<sub>BP</sub>, suggesting that body adiposity, independent of aerobic   fitness, have an important role as a cardiovascular risk factor. </font></p>     <p><font size="2" face="Verdana"><b>Keywords: </b>body adiposity, anthropometric, physical   fitness, vascular reactivity </font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>INTRODU&#199;&#195;O </b></font></p> <font size="2" face="Verdana">     <p>A pr&#225;tica de exerc&#237;cios f&#237;sicos tem sido amplamente   destacada nas diferentes popula&#231;&#245;es, com fim de melhora na aptid&#227;o f&#237;sica do   praticante (Gaesser, Angadi, & Sawyer, 2011). Por outro lado, uma baixa   aptid&#227;o f&#237;sica poder&#225; estar inversamente correlacionada com a gordura corporal   (Palou, Serra, Bonet, & Pic&#243;, 2000) a qual em excesso torna-se um importante   fator de risco para doen&#231;as cardiovasculares, entre as quais se destaca a   hipertens&#227;o arterial sist&#233;mica (HAS) (Chobanian et al., 2003; Triches &   Giugliani, 2005).</p>     <p>Classicamente, a HAS tem sido associada com uma aumentada   reatividade vascular de press&#227;o arterial (RV<sub>PA</sub>) durante e ap&#243;s momentos   agudos de estresse induzido (Hines & Brown, 1936; Wood, Sheps, Elveback   & Schirger, 1984). A eleva&#231;&#227;o significativa da RV<sub>PA</sub> pode sugerir   uma prejudicada modula&#231;&#227;o auton&#243;mica e t&#243;nus simp&#225;tico aumentado, fen&#243;meno associado   ao risco cardiovascular em m&#233;dio e longo prazo (Brownley et al., 2003; Flaa,   Mundal, Eide, Kjelsen & Rostrup, 2006; Galetta et al., 2006; Su et al.,   2006) e que apresenta rela&#231;&#227;o positiva com a adiposidade corporal (Kuniyoshi et   al., 2003; Ribeiro et al., 2001).</p>     <p>Segundo Christou et al. (2005), indicadores de adiposidade   corporal e a pot&#234;ncia aer&#243;bia est&#227;o associados a fatores de risco metab&#243;licos e   hemodin&#226;micos. Um reduzido consumo m&#225;ximo de oxig&#233;nio pode minimizar o efeito   cardioprotetor da aptid&#227;o aer&#243;bia num indiv&#237;duo (Thompson et al., 2003). Se   associado a isso, ainda um aumentado conte&#250;do de gordura corporal estiver   instalado, o risco cardiovascular aumenta (Vicent et al., 2011; Wilson,   D&#8217;Agostino, Sullivan, Parise, & Kannel, 2002). Entretanto, a baixa aptid&#227;o   aer&#243;bia e ainda a aumentada adiposidade corporal, em geral, se combinam   (Hoehner et al., 2008), o que traz d&#250;vidas quanto aos efeitos diretos e independentes   de cada uma dessas condi&#231;&#245;es, bem como, do poder de predi&#231;&#227;o dessas vari&#225;veis,   na associa&#231;&#227;o com fatores de risco cardiovasculares. Deste modo, ainda s&#227;o   necess&#225;rios estudos que quantifiquem o grau de associa&#231;&#227;o entre aptid&#227;o aer&#243;bia   e indicadores antropom&#233;tricos de adiposidade corporal com fatores de risco   cardiovascular. Al&#233;m disso, os estudos supracitados n&#227;o apresentam o poder de   predi&#231;&#227;o destes indicadores nos fatores de risco hemodin&#226;micos, o que poderia   ter import&#226;ncia cl&#237;nica na &#225;rea da avalia&#231;&#227;o da sa&#250;de cardiovascular. Sendo   assim, os objetivos do presente estudo foram: 1) Verificar a associa&#231;&#227;o   independente entre indicadores antropom&#233;tricos e aptid&#227;o aer&#243;bia com a RV<sub>PA</sub>;   e, 2) Analisar o poder de predi&#231;&#227;o das vari&#225;veis associadas com a RV<sub>PA</sub> em homens adultos. A hip&#243;tese do presente estudo &#233; que a pot&#234;ncia aer&#243;bia n&#227;o   apresentar&#225; correla&#231;&#227;o direta com RV<sub>PA</sub>. Por outro lado, indicadores   antropom&#233;tricos de f&#225;cil aplica&#231;&#227;o apresentar&#227;o correla&#231;&#227;o direta e   significativo poder de predi&#231;&#227;o da RV<sub>PA</sub>.</p> </font>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>M&#201;TODO</b></font></p>     <p><font size="2" face="Verdana"><b>Participantes</b> </font></p>  <font size="2" face="Verdana">     <p>C&#225;lculo amostral pr&#233;vio foi realizado a partir do software GPower 3.1. Ao considerar um<i > Effect Size</i>= 0.21; a=   5%; e Power= 0.80, o tamanho da amostra requerido para os objetivos propostos e   quantidade de vari&#225;veis analisadas foi de 40 participantes. </p>     <p>A partir disso, 40 indiv&#237;duos do sexo masculino,   aparentemente saud&#225;veis com idade entre 17-46 anos foram convidados a   participar do estudo, o qual se caracterizou como do tipo transversal e com   enfoque biol&#243;gico. Dos 40 volunt&#225;rios foi poss&#237;vel realizar todas as mensura&#231;&#245;es   propostas em 30 participantes. Dez participantes n&#227;o realizaram as medidas de   aptid&#227;o aer&#243;bia, por&#233;m, foram mantidos na amostra para an&#225;lises posteriores. A   <a href="/img/revistas/mot/v10n3/10n3a03t1.jpg">tabela 1</a> apresenta as caracter&#237;sticas gerais da amostra estudada. O Comit&#234; de   &#201;tica em Pesquisa da Universidade local aprovou a pesquisa (proc. 5934.0.000.441-10)   e todos os participantes foram informados dos procedimentos a serem adotados e   assinaram um Termo de Consentimento Livre e Esclarecido em acordo a resolu&#231;&#227;o   196/96 do Conselho Nacional de Sa&#250;de em Pesquisa com Seres Humanos. </p>     
<p><b>Instrumentos e Procedimentos</b></p>     ]]></body>
<body><![CDATA[<p>A an&#225;lise da composi&#231;&#227;o corporal atrav&#233;s de par&#226;metros   antropom&#233;tricos e a aptid&#227;o aer&#243;bia atrav&#233;s da medida indireta do consumo   m&#225;ximo de oxig&#233;nio foram realizadas para posterior verifica&#231;&#227;o da associa&#231;&#227;o   desses par&#226;metros com a RV<sub>PA</sub> mensurada pelo <i >Cold Pressor Test</i>.</p>     <p>Indicadores Antropom&#233;tricos</p>     <p>O peso corporal foi verificado atrav&#233;s de uma balan&#231;a de   plataforma digital da marca Tech Lyne (Petrolina/PE/Brasil) com precis&#227;o de 0.1   kg. </p>     <p>Para estatura utilizou-se um estadi&#243;metro de metal da marca   Physical (Londrina, PR - Brasil) com precis&#227;o de 0.1 cm. O &#237;ndice de massa   corporal (IMC) foi calculado atrav&#233;s da rela&#231;&#227;o peso/estatura<sup>2</sup>.</p>     <p>Dobras cut  &#226;neas das regi&#245;es tricipital, supra-il&#237;aca e   abdominal, foram mensuradas de forma rotacional e replicadas tr&#234;s vezes no   hemicorpo direito do avaliado. O valor m&#233;dio foi considerado para estimativa da   densidade corporal em acordo a equa&#231;&#227;o preditiva de Jackson e Pollock (1978). O   percentual de gordura (%Gordura) foi calculado de acordo com a f&#243;rmula de Siri   (1961)= (4.91 / densidade &#8211; 4.5) &#215; 100 (Guedes &   Guedes, 1997). O equipamento utilizado foi um adip&#243;metro da marca Cescorf   (Porto Alegre, RS - Brasil) com precis&#227;o de 0.1 mm. Circunfer&#234;ncias da cintura   e quadril foram analisadas utilizando uma fita m&#233;trica met&#225;lica inextens&#237;vel   com precis&#227;o de 0.1 cm da marca Cescorf (Porto Alegre, RS - Brasil) conforme as   t&#233;cnicas descritas por Callaway et al. (1988). A rela&#231;&#227;o cintura/quadril (RCQ)   foi calculada e todas as medidas foram realizadas por um &#250;nico avaliador. </p>     <p>Aptid&#227;o Aer&#243;bia </p>     <p>A aptid&#227;o aer&#243;bia foi avaliada a partir do consumo m&#225;ximo de   oxig&#233;nio (VO<sub>2</sub>max) indireto. Teste de corrida para desempenho m&#225;ximo   em 1600 metros (1600m) foi realizado, onde o avaliado foi orientado a realizar   a dist&#226;ncia alvo no seu menor tempo poss&#237;vel. Atrav&#233;s da velocidade m&#233;dia   (dist&#226;ncia/tempo) no teste de 1600m (VM1600m) calculou-se o VO<sub>2</sub>max   pela equa&#231;&#227;o: VO<sub>2</sub>max = 0.177 &#215; VM1600m + 8.101. A equa&#231;&#227;o utilizada   foi validada por Almeida et al. (2010). </p>     <p>Mensura&#231;&#227;o da Press&#227;o Arterial (PA) de Repouso </p>     <p>A mensura&#231;&#227;o da PA foi realizada por um avaliador experiente   e adotou-se o m&#233;todo auscultat&#243;rio, de acordo com Perloff et al. (1993).   Utilizou-se um estetosc&#243;pio (Duo Sonic/BD, Juiz de Fora, MG - Brasil) e um esfigmoman&#243;metro   da marca Missouri<sup>&#174;</sup> devidamente calibrado e certificado pelo INMETRO   (Missouri, S&#227;o Paulo, SP - Brasil). As medidas foram realizadas no bra&#231;o   esquerdo com o indiv&#237;duo sentado em local calmo e confort&#225;vel durante um   per&#237;odo de 20 minutos de repouso, com mensura&#231;&#245;es a cada 5 minutos para se   considerar a m&#233;dia como representativa do repouso. </p>     <p>O pesquisador respons&#225;vel pelas mensura&#231;&#245;es de PA foi   submetido a um procedimento de valida&#231;&#227;o das medidas auscultat&#243;rias adotadas.   Para tal utilizou-se um aparelho autom&#225;tico clinicamente validado por Stergiou,   Tzamouranis, Protogerou, Nasothimiou e Kapralos (2008) da marca Microlife modelo   BP3AC1-1 (Microlife/Co, USA). O procedimento de valida&#231;&#227;o envolveu 30   volunt&#225;rios de ambos os sexos, os quais permaneceram por um per&#237;odo aproximado   de 10 minutos em repouso e logo ap&#243;s, em ordem randomizada, passaram por   avalia&#231;&#245;es de PA Sist&#243;lica (PAS) e PA Diast&#243;lica (PAD) pelo m&#233;todo autom&#225;tico e   auscultat&#243;rio. As correla&#231;&#245;es encontradas para as medidas de PAS e PAD entre   m&#233;todos autom&#225;tico e auscultat&#243;rio foram <i >r</i>=   0.90 (<i >p</i>&#60; 0.001)   e <i >r</i>= 0.80 (<i >p</i>&#60; 0.001), respetivamente. Al&#233;m disso, a t&#233;cnica de Bland e Altman   (1986) demonstrou concord&#226;ncia entre as medidas realizadas pelo m&#233;todo   autom&#225;tico e auscultat&#243;rio. A m&#233;dia das diferen&#231;as, com 95% de intervalo de   confian&#231;a, foi de 3.9 (-12.4/20.2) e -3.4 (-17.3/10.5) para a   PAS e a PAD, respetivamente. </p>     ]]></body>
<body><![CDATA[<p>Mensura&#231;&#227;o da Reatividade Vascular de Press&#227;o Arterial (RV<sub>PA</sub>)</p>     <p>A mensura&#231;&#227;o da RV<sub>PA</sub> foi realizada atrav&#233;s do <i >Cold Pressor Test</i> (CPT) seguindo procedimentos   de valida&#231;&#227;o descritos por Hines e Brow (1936). A especificidade do CPT foi   comprovada por Bring e Oerting (1933). O protocolo do teste de RV<sub>PA</sub> foi realizado com a m&#227;o direita (at&#233; altura do punho) do volunt&#225;rio sendo   imersa em recipiente com &#225;gua em temperatura de 4&#186;C durante 1 minuto. Durante   os testes de RV<sub>PA</sub> a &#225;gua foi controlada por term&#243;metro (Incoterm<sup>&#174;</sup>,   Porto Alegre, RS). Medidas de PA foram realizadas aos 30s e 60s do teste   atrav&#233;s do m&#233;todo auscultat&#243;rio (supracitado). Os valores de pico encontrados   durante o teste de RV<sub>PA</sub> foram considerados como Pico30&#8221; e Pico60&#8221; de   PA (Hines & Brow, 1936; Wood et al., 1984). Aos 2 minutos da recupera&#231;&#227;o do   CPT considerou-se o momento Rp&#243;s2&#8217;.</p>     <p><b>An&#225;lise Estat&#237;stica</b></p></font>     <p><font size="2" face="Verdana">A estat&#237;stica descritiva foi adotada. A normalidade dos   dados foi testada pelo teste Shapiro-Wilk. A correla&#231;&#227;o linear de Pearson foi   aplicada para verificar correla&#231;&#245;es independentes. O m&#233;todo de Bland e Altman (1986)   foi utilizado para verificar o n&#237;vel de concord&#226;ncia entre medidas de PA por   m&#233;todo autom&#225;tico e auscultat&#243;rio. O teste <i >t</i> de Student para amostras independentes foi utilizado para comparar grupos. A regress&#227;o   m&#250;ltipla foi realizada entre as vari&#225;veis dependentes da RV<sub>PA</sub> e as   vari&#225;veis independentes dos indicadores antropom&#233;tricos. Segundo Hair, Black,   Babin, Anderson e Tatham (2009), na regress&#227;o m&#250;ltipla para cada vari&#225;vel   independente devem existir no m&#237;nimo cinco casos. No presente estudo foi   poss&#237;vel realizar a t&#233;cnica de regress&#227;o entre cada vari&#225;vel dependente com as   quatro vari&#225;veis independentes com um n&#250;mero de 40 indiv&#237;duos, ficando uma raz&#227;o de 10:1 (casos/vari&#225;vel independente). </font></p>     <p><font size="2" face="Verdana">O n&#237;vel de signific&#226;ncia do estudo foi <i >p</i>&#60; 0.05 e o software foi o SPSS 15.0.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>RESULTADOS</b> </font></p>  <font size="2" face="Verdana">     <p>A <a href="/img/revistas/mot/v10n3/10n3a03t1.jpg">tabela 1</a> apresenta as caracter&#237;sticas antropom&#233;tricas,   aptid&#227;o aer&#243;bia, PA de repouso e RV<sub>PA</sub> na amostra investigada.   Destaca-se a signific&#226;ncia estat&#237;stica do CPT em induzir a RV<sub>PA</sub> para   PAS e PAD na amostra investigada (<i >p</i>&#60; 0.01). A <a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">tabela 2</a> apresenta as correla&#231;&#245;es entre os indicadores   antropom&#233;tricos e a aptid&#227;o aer&#243;bia com as vari&#225;veis de PA de repouso e RV<sub>PA</sub>.   A aptid&#227;o aer&#243;bia representada pelo VO<sub>2</sub>max n&#227;o apresentou correla&#231;&#227;o   direta com RV<sub>PA</sub> (<i >p</i>&#62; 0.05).   Por outro lado, indicadores antropom&#233;tricos, especialmente a circunfer&#234;ncia da   cintura e o IMC apresentaram correla&#231;&#245;es significativas com a RV<sub>PA</sub> tanto durante como ap&#243;s o CPT (<i >p</i>&#60; 0.05). Com objetivo   de identificar uma poss&#237;vel associa&#231;&#227;o entre o VO<sub>2</sub>max e a RV<sub>PA</sub>, agora em fun&#231;&#227;o da compara&#231;&#227;o de valores m&#233;dios encontrados na amostra,   a <a href="/img/revistas/mot/v10n3/10n3a03t3.jpg">tabela 3</a> apresenta uma subdivis&#227;o de indiv&#237;duos com o VO<sub>2</sub>max   abaixo e acima da m&#233;dia encontrada. Foi poss&#237;vel identificar que na amostra   investigada n&#227;o existe associa&#231;&#227;o do VO<sub>2</sub>max com a PA de repouso, RV<sub>PA</sub> durante e ap&#243;s o CPT (<i>p</i>&#62; 0.05)<i >.</i> Apesar de   n&#227;o ser objetivo principal do presente estudo, a <a href="/img/revistas/mot/v10n3/10n3a03t4.jpg">tabela 4</a> demonstra que existe   uma associa&#231;&#227;o entre VO<sub>2</sub>max   e os indicadores antropom&#233;tricos, representada pelas vari&#225;veis IMC,   circunfer&#234;ncia da cintura e % de gordura (<i >p</i>&#60;   0.05). </p>     
<p>A t&#233;cnica   de regress&#227;o m&#250;ltipla aplicada entre os indicadores antropom&#233;tricos e as   vari&#225;veis da RV<sub>PA</sub>, demonstrou que a CC &#233; uma preditora significativa   da RV<sub>PA</sub> durante o CPT. J&#225; na recupera&#231;&#227;o do estresse induzido,   evidenciou-se que o IMC pode ser considerado um bom preditor (<i >p</i>&#60; 0.05).</p> </font>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p><font size="3" face="Verdana"><b>DISCUSS&#195;O</b> </font></p>  <font size="2" face="Verdana">     <p>Os principais achados do presente estudo evidenciaram   correla&#231;&#245;es independentes de indicadores antropom&#233;tricos, principalmente da CC   e do IMC, com a RV<sub>PA</sub> durante e ap&#243;s o estresse induzido (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>).   Ainda, foi poss&#237;vel   identificar que apenas a CC se mostrou preditora da RV<sub>PA</sub> durante o   teste de estresse cardiovascular, com o IMC tendo import&#226;ncia na predi&#231;&#227;o da RV<sub>PA</sub> na recupera&#231;&#227;o do estresse induzido (<a href="/img/revistas/mot/v10n3/10n3a03t5.jpg">Tabela 5</a>). Por outro lado, a aptid&#227;o   aer&#243;bia n&#227;o apresentou associa&#231;&#227;o direta com a RV<sub>PA</sub> de homens   adultos (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabelas 2</a> e <a href="/img/revistas/mot/v10n3/10n3a03t3.jpg">3</a>).</p>     
<p>Diversos   indicadores de adiposidade corporal t&#234;m sido utilizados na &#225;rea da sa&#250;de e a CC   e o IMC t&#234;m sido destacados na predi&#231;&#227;o da HAS (Tuan, Adair, Stevens & Popkin, 2010). Carneiro et al. (2003) ao analisarem   indiv&#237;duos com sobrepeso e obesidade, demonstraram um aumento significativo na   preval&#234;ncia de HAS, especialmente nos parti-cipantes com IMC = 30 kg/m&#178;,   sugerindo que o incremento dos dep&#243;sitos de gordura corpo-ral aumentam o risco   de HAS. Esses resultados corroboram os achados do presente estudo, os quais   apresentam correla&#231;&#227;o positiva da PA de repouso, e em adicional da RV<sub>PA</sub>,   com indicadores antropom&#233;tricos, principalmente com a CC (gordura abdominal) e IMC de homens adultos (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>). </p>     
<p>O mecanismo   que explica a associa&#231;&#227;o da adiposidade corporal com a RV<sub>PA</sub> pode ser   parcialmente explicado. O aumento da adiposidade corporal est&#225; relacionado com   uma maior atividade nervosa simp&#225;tica (Kuniyoshi et al., 2003; Ribeiro et al.,   2001) e com uma poss&#237;vel ativa&#231;&#227;o do sistema renina-angiotensina, o qual   estaria diminuindo a biodisponibilidade de &#243;xido n&#237;trico e por conseguinte   aumentando a rigidez arterial e a PA (Christou et al., 2005). No presente   estudo, a CC e o IMC se correlacionaram com a PA de repouso e com a RV<sub>PA</sub>,   essa &#250;ltima induzida pelo <i >Cold Pressor</i>   <i >Test</i> (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>), o qual atua via um   poss&#237;vel reflexo neurog&#233;nico e aumento do t&#243;nus simp&#225;tico (Wood et al., 1984).   Kuniyoushi et al. (2003) avaliaram a PA e a ativa&#231;&#227;o simp&#225;tica em mulheres   obesas e magras. Estes autores tamb&#233;m utilizaram o <i >Cold Pressor Test</i> e conclu&#237;ram que a obesidade aumenta o t&#243;nus   simp&#225;tico e a RV<sub>PA</sub> durante o estresse induzido.</p>     
<p>Apesar da   falta de correla  &#231;&#227;o entre aptid&#227;o aer&#243;bia e RV<sub>PA</sub> (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>),   optou-se no presente estudo por investigar uma poss&#237;vel associa&#231;&#227;o entre essas   vari&#225;veis por meio de diferentes estratos de VO<sub>2</sub>max (<a href="/img/revistas/mot/v10n3/10n3a03t3.jpg">Tabela 3</a>).   Sendo assim, foi poss&#237;vel verificar que nenhuma das vari&#225;veis da RV<sub>PA</sub> para PAS e PAD (<i >Pico</i>30&#8221;, <i>Pico</i>60&#8221; e Rp&#243;s2&#8217;) diferiram entre os   grupos com VO<sub>2</sub>max abaixo e acima da m&#233;dia constatada no presente   estudo (<i >p</i>&#62; 0.05). Nessa mesma   dire&#231;&#227;o, ao comparar a RV<sub>PA</sub> entre grupos com VO<sub>2</sub>max   abaixo do percentil 10 e acima do percentil 90 do presente estudo, mais uma vez   n&#227;o foram identificadas diferen&#231;as significativas (<i >p</i>&#62; 0.05; resultados n&#227;o apresentados). Esses achados evidenciam   que o efeito independente e cardioprotetor do VO<sub>2</sub>max na RV<sub>PA</sub> de homens adultos n&#227;o &#233; significativo, corroborando aos achados de Christou et   al. (2005) os quais destacam que o VO<sub>2</sub>max, quando analisado em   rela&#231;&#227;o a vari&#225;veis antropom&#233;tricas, n&#227;o apresenta correla&#231;&#245;es independentes   com fatores de risco hemodin&#226;micos para a doen&#231;a cardiovascular. </p>     
<p>Entretanto,   ao se verificar a associa&#231;&#227;o entre VO<sub>2</sub>max abaixo e acima da m&#233;dia   com indicadores antropom&#233;tricos, constatou-se que a CC, o IMC e o %Gordura   apresentaram-se reduzidos no grupo com maior VO<sub>2</sub>max (<a href="/img/revistas/mot/v10n3/10n3a03t4.jpg">Tabela 4</a>; <i>p</i>&#60; 0.05). Nesse sentido, apesar da   falta de uma associa&#231;&#227;o direta entre aptid&#227;o aer&#243;bia e RV<sub>PA</sub>, o VO<sub>2</sub>max   apresentou asso-cia&#231;&#227;o indireta, via indicadores antropo-m&#233;tricos, com a RV<sub>PA</sub>,   uma vez que indiv&#237;duos com maiores valores de VO<sub>2</sub>max apresentaram   menores &#237;ndices de adiposidade corporal (CC e IMC), os quais influenciam direta   e indepen-dentemente na RV<sub>PA</sub> de homens adultos (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>).</p>     
<p>As   correla&#231;&#245;es independentes, por&#233;m, moderadas entre indicadores antropom&#233;tricos e   RV<sub>PA</sub> (<a href="/img/revistas/mot/v10n3/10n3a03t2.jpg">Tabela 2</a>), bem como, a predi&#231;&#227;o significativa da CC e do IMC   na RV<sub>PA</sub> (<a href="/img/revistas/mot/v10n3/10n3a03t5.jpg">Tabela 5</a>), sugerem a investiga&#231;&#227;o de outras vari&#225;veis, n&#227;o   relacionadas ao fen&#243;tipo, na explica&#231;&#227;o da RV<sub>PA</sub> de homens adultos.   Dessa forma, traba-lhos investigando genes candidatos na variabilidade das   respostas de RV<sub>PA</sub> s&#227;o necess&#225;rios. Esses estudos podem contribuir   com o conhecimento relacionado aos com-ponentes gen&#233;ticos e ambientais que   inter-ferem em fatores de risco cardiovasculares, pois, com o pr&#233;vio   conhecimento dessas vari&#225;veis, estrat&#233;gias atenuando o risco futuro podem ser   encorajadas na popula&#231;&#227;o.</p> </font>     
<p>&nbsp;</p>     <p><font size="3" face="Verdana"><b>CONCLUS&#213;ES</b> </font></p> <font size="2" face="Verdana">     <p>Conclui-se que indicadores antropom&#233;tricos, mas n&#227;o a aptid&#227;o   aer&#243;bia, se associam direta e independentemente com a RV<sub>PA</sub> de homens   adultos. Ainda, foi poss&#237;vel identificar que a CC se mostrou preditora da RV<sub>PA</sub> durante o estresse cardiovascular induzido, com o IMC tendo import&#226;ncia na   predi&#231;&#227;o da recupera&#231;&#227;o da RV<sub>PA</sub> de homens adultos. Apesar da falta   de uma associa&#231;&#227;o direta entre aptid&#227;o aer&#243;bia e RV<sub>PA</sub>, o VO<sub>2</sub>max   apresentou associa&#231;&#227;o indireta, via indicadores antropom&#233;tricos, com a RV<sub>PA</sub>   de homens adultos.</p> </font>     ]]></body>
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Overweight and obesity as determinants of cardiovascular risk: The   Framingham experience. <i >Archives of International     Medicine, 162</i>(16), 1867-1872. doi:   10.1001/archinte.162.16.1867&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000106&pid=S1646-107X201400030000300028&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>Wood, D. L., Sheps, S. G., Elveback, L. R.,   Schirger, A. (1984).  Cold pressor   test as a predictor of hypertension. <i >Hypertension, 6(3</i>),   301-306. doi: 10.1161/01.HYP.6.3.301&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000107&pid=S1646-107X201400030000300029&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>&nbsp;</p>     <p><font size="2" face="Verdana"><b >Agradecimentos:</b>   </font>       <br>   <font size="2" face="Verdana">Ao CNPq pelo apoio financeiro com bolsa AT-NM. </font>    <br>   <font size="2" face="Verdana"><b >Conflito de Interesses:</b> </font>    <br>   <font size="2" face="Verdana">Nada a declarar. </font>    ]]></body>
<body><![CDATA[<br>   <font size="2" face="Verdana"><b >Financiamento:</b> </font>    <br>   <font size="2" face="Verdana">CNPq (proc. 503598/2010).</font></p>     <p><font size="2" face="Verdana">Artigo recebido a 02.05.2013; 1&#170; Revis&#227;o 09.07.2013;   2&#170; Revis&#227;o 03.11.2013; Aceite 13.01.2014</font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana"><a name="end"></a><a href="#topo">*</a><i >Autor correspondente</i>:   Universidade Federal do Vale do S&#227;o Francisco, CEFIS - Educa&#231;&#227;o F&#237;sica, Av. Jos&#233; de S&#225; Mani&#231;oba, S/N, Centro, CEP: 56304205 Petrolina - PE, Brasil; <i >E-mail</i>: <a href="mailto:serginhocapo@gmail.com">serginhocapo@gmail.com</a></font></p>      ]]></body><back>
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