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Linear and nonlinear relationships between body mass index and physical fitness in Brazilian children and adolescents

2017Journal article Restricted access
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dc.contributor.authorLopes, Vitor P.
dc.contributor.authorCossio-Bolaños, Marco
dc.contributor.authorGómez-Campos, Rossana
dc.contributor.authorArruda, Miguel de
dc.contributor.authorHespanhol, Jefferson Eduardo
dc.contributor.authorRodrigues, Luis Paulo
dc.date.accessioned2017-12-15T10:11:47Z
dc.date.available2017-12-15T10:11:47Z
dc.date.issued2017
dc.description.abstractThe purpose of this study was to evaluate the linear and curvilinear relationship between body mass index (BMI) and physical fitness in children and adolescents. Participants were 4567 (2505 girls) children aged 6–16 years. Weight and height were measured and BMI was calculated and adjusted for age and sex using WHO z-scores. Physical fitness was evaluated with the following tests: Yo-Yo test, standing long jump, seated 2-kg medicine ball throw, and 20-m dash. Participants were grouped into two groups according to their maturity status, estimated as years from peak height velocity. Associations were determined with linear and nonlinear quadratic regression models. The nonlinear quadratic regression coefficient was significant for the 20-m dash among girls of both maturity status levels, and in maturity status level 1 boys; for the standing long jump among boys of both maturity status levels, and in maturity status level 1 girls. The Yo-Yo test was only significant for maturity status level 1 boys. For the medicine ball throw, the linear regression coefficient was significant for both maturity status levels in both sexes. Almost all physical fitness items were observed to have meaningfully large nonlinear relationships with BMIz, but they were not all significant due to the small sample size, especially in maturity status level 2. Conclusion: The association between BMI and physical fitness is nonlinear in the majority of its components, and those with lower and higher BMI had poorer fitness.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLopes, Vítor P.; Cossio-Bolaños, Marco; Gómez-Campos, Rossana; Arruda, Miguel; Hespanhol, Jefferson Eduardo; Rodrigues, Luis Paulo (2017). Linear and nonlinear relationships between body mass index and physical fitness in Brazilian children and adolescents. American Journal of Human Biology. ISSN 1042-0533. 29:6pt_PT
dc.identifier.doi10.1002/ajhb.23035pt_PT
dc.identifier.issn1042-0533
dc.identifier.urihttp://hdl.handle.net/10198/14731
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationPOCI-01-0145- FEDER-006969pt_PT
dc.relationUID/DTP/00617/ 2013pt_PT
dc.relationDTP/04045/2013pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPhysical fitnesspt_PT
dc.subjectAdolescentspt_PT
dc.titleLinear and nonlinear relationships between body mass index and physical fitness in Brazilian children and adolescentspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue6pt_PT
oaire.citation.titleAmerican Journal of Human Biologypt_PT
oaire.citation.volume29pt_PT
person.familyNameLopes
person.givenNameVitor P.
person.identifier.ciencia-id531D-60D6-48BF
person.identifier.orcid0000-0003-1599-2180
person.identifier.ridD-1774-2011
person.identifier.scopus-author-id17435197500
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9551b011-136c-42ca-a626-f0cedfbd0814
relation.isAuthorOfPublication.latestForDiscovery9551b011-136c-42ca-a626-f0cedfbd0814

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