Reallocating time spent in physical activity intensities: Longitudinal associations with physical fitness (DADOS study)
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INVESTIGACIONMetadades
Títol
Reallocating time spent in physical activity intensities: Longitudinal associations with physical fitness (DADOS study)Data de publicació
2020-04-18Editor
Elsevier; Sports Medicine AustraliaCita bibliogràfica
Beltran-Valls MR, et al.Reallocating time spent in physical activity intensities: Longitudinal associationswith physical fitness (DADOS study). J Sci Med Sport (2020). https://doi.org/10.1016/j.jsams.2020.04.012Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.sciencedirect.com/science/article/pii/S1440244019313532Versió
info:eu-repo/semantics/submittedVersionParaules clau / Matèries
Resum
Objectives
Firstly, to investigate the longitudinal associations between accelerometer-derived physical activity (PA) intensities and physical fitness (PF) at 24-month follow-up in adolescents. Secondly, to examine ... [+]
Objectives
Firstly, to investigate the longitudinal associations between accelerometer-derived physical activity (PA) intensities and physical fitness (PF) at 24-month follow-up in adolescents. Secondly, to examine how substituting time spent in low or moderate PA intensities with vigorous PA at baseline was related to PF at 24-month follow-up.
Design
Longitudinal observational study
Method
The DADOS (Deporte, ADOlescencia y Salud) study is a 3-year longitudinal research project carried out between years 2015–2017. The analyses included 189 adolescents (91 girls) aged 13.9 ± 0.3 years at baseline. PA was assessed by a wrist-worn GENEActiv triaxial accelerometer and expressed as minutes/day of light, moderate and vigorous PA. Cardiorespiratory, musculoskeletal and motor fitness were assessed by field tests and a global fitness z-score was calculated as the mean of the z-scores values of each fitness test. Association between PA intensities and PF were determined using linear regression. Isotemporal analyses estimating the association of reallocating PA intensities with PF were performed.
Results
Baseline vigorous PA was positively associated with cardiorespiratory fitness and global fitness score at follow-up in boys (β = 0.234;p = 0.002, β = 0.340;p < 0.001) and girls (β = 0.184;p = 0.043, β = 0.213;p = 0.004). In boys, baseline vigorous PA was also positively associated with musculoskeletal and motor fitness (β = 0.139;p = 0.035, β = 0.195;p = 0.021). The substitution of 10 min/day of light PA or moderate PA with 10 min/day of vigorous PA at baseline was positively associated with all PF components and global fitness score in boys (p < 0.001), and with global fitness score girls (p < 0.05).
Conclusion
These findings highlight the need of promoting vigorous PA due to its specific influence on adolescent's PF. [-]
Proyecto de investigación
DADOS Study is funded by the Spanish Ministry of Economy and Competitiveness, MINECO (DEP2013–45515-R) and by the Jaume I University of Castellon, UJI (P1·1A2015-05). This work is partly supported by a Sunny Sport research grant from the Schweppes Suntory Spain Company.Drets d'accés
© 2020 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.
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info:eu-repo/semantics/openAccess
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info:eu-repo/semantics/openAccess
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