<?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>S1646-107X2025000100502</article-id>
<article-id pub-id-type="doi">10.6063/motricidade.38467</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Is the light at the end of the tunnel bright? Associations between preference and tolerance of the intensity, basic psychological needs and behaviour in exercise context]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Viveiros]]></surname>
<given-names><![CDATA[Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antunes]]></surname>
<given-names><![CDATA[Raul]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
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<surname><![CDATA[Jacinto]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
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<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
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<surname><![CDATA[Matos]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
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<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
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<surname><![CDATA[Amaro]]></surname>
<given-names><![CDATA[Nuno]]></given-names>
</name>
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<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
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</name>
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<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Couto]]></surname>
<given-names><![CDATA[Nuno]]></given-names>
</name>
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<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[Diogo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Politécnico de Leiria Escola Superior de Educação e Ciências Sociais ]]></institution>
<addr-line><![CDATA[Leiria ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigação em Desporto Saúde e Desenvolvimento Humano ]]></institution>
<addr-line><![CDATA[Covilhã ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico de Santarém School of Sports of Rio Maior ]]></institution>
<addr-line><![CDATA[Rio Maior ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2025</year>
</pub-date>
<volume>21</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-107X2025000100502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-107X2025000100502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-107X2025000100502&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In recent years, sedentary behaviour and physical inactivity have seen an evident increase. Many individuals who embark on an exercise regimen end up leaving it within the first three to six months, often citing barriers such as a lack of time or motivation. Research shows that the pleasure and enjoyment derived from exercise play a crucial role in preventing people from giving up. This suggests that theories related to the emotional aspects of exercise, including an individual&#8217;s exercise intensity preference and tolerance, should be integrated into broader motivation theories such as Self-Determination Theory (SDT). This chapter aims to provide a theoretical framework for these theories, emphasised by empirical evidence and proposes potential avenues for future research.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[preference]]></kwd>
<kwd lng="en"><![CDATA[tolerance]]></kwd>
<kwd lng="en"><![CDATA[psychological needs]]></kwd>
<kwd lng="en"><![CDATA[physical exercise]]></kwd>
<kwd lng="en"><![CDATA[behaviour]]></kwd>
</kwd-group>
</article-meta>
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