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Mediating role of physical fitness and fat mass on the associations between physical activity and bone health in youth

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dc.contributor.authorHenriques-Neto, Duarte
dc.contributor.authorMagalhães, João P.
dc.contributor.authorJúdice, Pedro B.
dc.contributor.authorHetherington-Rauth, Megan
dc.contributor.authorPeralta, Miguel
dc.contributor.authorMarques, Adilson
dc.contributor.authorSardinha, Luís B.
dc.date.accessioned2020-09-04T15:33:52Z
dc.date.available2020-09-04T15:33:52Z
dc.date.issued2020
dc.description© 2020 Informa UK Limited, trading as Taylor & Francis Grouppt_PT
dc.description.abstractWe aimed to assess if the relationship between VPA and bone health is simultaneously mediated by PF and fat mass in adolescents. Bone health was assessed by quantitative ultrasound (QUS) in 412 participants (221 girls) aged 10–18 years. VPA was assessed by accelerometry and PF was measured using specific protocols from FITescola®. Fat mass (%) was assessed using two skinfolds (triceps and calf). Parallel mediation analysis was performed by Hayes’ PROCESS (V.3.3-model 4) for SPSS. We observed that in boys, handgrip mediated the associations of VPA with speed of sound on the third distal radius (R-SoS). While, speed at 20 m and handgrip mediated the relationship of VPA with speed of sound on the tibial midshaft (T-SoS). Body fat (%) only acted as a mediator when handgrip integrates the mediation model. For girls, the only mediating variable for the relationship between VPA and R-SoS or T-SoS was the PACER test. Handgrip, speed and fat mass (%) in boys, and cardiorespiratory fitness in girls mediates the relationships between VPA and bone health assessed by QUS. Promoting muscular fitness and cardiorespiratory fitness and decrease of fat mass through VPA in adolescents may be an important strategy to improve bone health.pt_PT
dc.description.sponsorshipDHN is supported by a grant from Comité Olímpico de Portugal (doctoral scholarship – COP). Pedro Júdice is supported by a grant (SFRH/BPD/ 115977/2016) from the FCT – Fundação para a Ciência e Tecnologia. Miguel Peralta is supported by a grant (SFRH/BD/122219/2016) from FCT – Fundação para a Ciência e Tecnologia. This work was supported by a national grant through the FCT—Fundação para a Ciência e Tecnologia within the unit I&D 472 (UID/DTP/00447/2019), Faculty of Human Kinetics of University of Lisbon.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationJournal of Sports Sciences, 05 Aug 2020pt_PT
dc.identifier.doi10.1080/02640414.2020.1801326pt_PT
dc.identifier.eissn1466-447X
dc.identifier.issn0264-0414
dc.identifier.urihttp://hdl.handle.net/10451/44308
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relationThe epidemic has gone global: Can physical activity patterns offset the harmful effects of sedentary behavior A trans-national prospective study from childhood to adulthood
dc.relationO papel da escola e das aulas de educação física no desenvolvimento da aptidão cardiorrespiratória
dc.relationInterdisciplinary Centre for the Study of Human Performance
dc.relation.publisherversionhttps://www.tandfonline.com/toc/rjsp20/currentpt_PT
dc.subjectMuscular fitnesspt_PT
dc.subjectSpeedpt_PT
dc.subjectUltrasonographypt_PT
dc.subjectAdolescencept_PT
dc.titleMediating role of physical fitness and fat mass on the associations between physical activity and bone health in youthpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleThe epidemic has gone global: Can physical activity patterns offset the harmful effects of sedentary behavior A trans-national prospective study from childhood to adulthood
oaire.awardTitleO papel da escola e das aulas de educação física no desenvolvimento da aptidão cardiorrespiratória
oaire.awardTitleInterdisciplinary Centre for the Study of Human Performance
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBPD%2F115977%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F122219%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FDTP%2F00447%2F2019/PT
oaire.citation.endPage8pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleJournal of Sports Sciencespt_PT
oaire.fundingStreamOE
oaire.fundingStreamOE
oaire.fundingStream6817 - DCRRNI ID
person.familyNameHenriques-Neto
person.familyNameMagalhães
person.familyNameBarracha da Guerra Júdice
person.familyNameHetherington-Rauth
person.familyNamePeralta
person.familyNameMarques
person.familyNameSardinha
person.givenNameDuarte
person.givenNameJoão Pedro
person.givenNamePedro Alexandre
person.givenNameMegan
person.givenNameMiguel
person.givenNameAdilson
person.givenNameLuis
person.identifierhttps://scholar.google.pt/citations?hl=pt-PT&user=ETqeZyUAAAAJ
person.identifier1142676
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person.identifier.orcid0000-0002-6230-6027
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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