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dc.creatorAraújo, F-
dc.creatorSevero, M-
dc.creatorAlegrete, N-
dc.creatorHowe, LD-
dc.creatorLucas, R-
dc.identifier.issn0031-9023 -
dc.description.abstractBackground: Sagittal postural patterns are associated with back pain in adolescents and adults. However, whether postural patterns are already observable during childhood is unknown. Such a finding would confirm childhood as a key period for posture differentiation and thus for chronic pain etiology. Objective: The aims of this study were to identify and describe postural patterns in girls and boys of school age. Design: This was a cross-sectional study. Methods: Eligible children were evaluated at age 7 in the population-based birth cohort Generation XXI in Portugal. Posture was assessed through right-side photographs during habitual standing with retroreflective markers placed on body landmarks. Postural patterns were defined from trunk, lumbar, and sway angles with model-based clusters, and associations with anthropometric measures were assessed by multinomial logistic regression. Results: Posture was evaluated in 1,147 girls and 1,266 boys. Three postural patterns were identified: sway (26.9%), flat (20.9%), and neutral to hyperlordotic (52.1%) in girls and sway to neutral (58.8%), flat (36.3%), and hyperlordotic (4.9%) in boys. In girls, a higher body mass index was associated with a sway pattern (versus a flat pattern: odds ratio = 1.21; 95% CI = 1.12, 1.29), whereas in boys, a higher body mass index was associated with a hyperlordotic pattern (versus a flat pattern: odds ratio = 1.30; 95% CI = 1.17, 1.44). Limitations: Photogrammetry as a noninvasive method for posture assessment may have introduced some postural misclassifications. Conclusions: Postural patterns in 7-year-old children were consistent with those previously found in adults, suggesting that childhood is a sensitive period for posture differentiation. Sagittal morphology differed between girls and boys, emphasizing sex-specific biomechanical loads during a habitual upright position even in prepubertal ages.pt_PT
dc.description.sponsorshipThe funding for EPIUnit was obtained from the Fundação para a Ciência e a Tecnologia (FCT) (UID/DTP/04750/2013/002). Generation XXI was funded by the Health Operational Programme–Saúde XXI, Community Support Framework III, and the Regional ­Department of Ministry of Health. It has been further supported by FEDER funds through the Programa Operacional Factores de Competitividade, by national funds through the FCT (projects PIC/IC/83038/2007, SFRH/BD/72723/2010, and EXPL/DTP-EPI/0280/2012), and by the Calouste Gulbenkian Foundation. The work of Mr Araújo and Professor Lucas was supported by the FCT (grants SFRH/BD/85398/2012 and SFRH/BPD/88729/2012). The funding sources had no role in the design or conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.pt_PT
dc.publisherAmerican Physical Therapy Associationpt_PT
dc.relation.ispartofseriesPhysical Therapy, vol. 97(2), p. 258-267pt_PT
dc.subjectSagittal standing posturept_PT
dc.subjectSagittal posturept_PT
dc.titleDefining patterns of Sagittal Standing Posture in girls and boys of school agept_PT
dc.typeArtigo em Revista Científica Internacionalpt_PT
dc.contributor.uportoInstituto de Saúde Públicapt_PT
Appears in Collections:ISPUP - Artigo em Revista Científica Internacional

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