@misc{10481/94348,
year = {2024},
month = {5},
url = {https://hdl.handle.net/10481/94348},
abstract = {Schoolchildren and examined their associations with latent growth curves of osteogenic physical activity (PA)
over three years.
Design: Prospective cohort study.
Methods: Altogether 1147 Finnish adolescents aged 11–13 years participated in the study. Osteogenic PA in terms
of osteogenic index (OI) was calculated based on acceleration peak histograms using all of the peaks with acceleration
>1.3 g. Locomotor skills were assessed using the five-leap and side-to-side jumping tests and cardiorespiratory
fitness (CRF) using 20-metre shuttle run test. The latent growth curve models for the locomotor
skills and cardiorespiratory fitness profiles were tested to examine the longitudinal development of OI scores
over time three years (from T0 to T3).
Results: OI scores were lower amongst children in the “Low locomotor profile” compared with “Moderate” and
“High locomotor” profiles. The OI scores linearly decreased from T0 to T3 in each locomotor profile and the
decrease was similar in all the profiles. Moreover, OI scores were lower in the “Low CRF profile” compared with
“Moderate” and “High CRF” profiles. TheOI scores decreased in each profile over time, but the decreasewas steepest
in the “Low CRF profile”, whereas “Moderate” and “High CRF profiles” had similar developmental trajectories.
Conclusions: Children with the highest locomotor skills and higher CRF accumulate more osteogenic PA than their
least skilful and fit peers, which can have important implications on bone health in this critical period for bone
growth.},
organization = {Finnish Ministry of Education and
Culture and the Strategic Research Council within the Research Council
of Finland (Schoolwell; grant number 352512)},
publisher = {Elsevier},
keywords = {Accelerometry},
keywords = {Bone},
keywords = {Exercise},
title = {Trajectories of osteogenic physical activity in children and adolescents: A 3-year cohort study},
doi = {10.1016/j.jsams.2024.02.005},
author = {Haapala, Eero A. and Gråsten, Arto and Huhtiniemi, Mikko and Ortega Porcel, Francisco Bartolomé and Rantalainen, Timo and Jaakkola, Timo},
}