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Modelling the dynamics of children's gross motor coordination
journal contribution
posted on 2019-01-01, 00:00 authored by Ana Carolina Reyes, Raquel Chaves, Adam D G Baxter-Jones, Olga Vasconcelos, Lisa BarnettLisa Barnett, Go Tani, Donald Hedeker, José MaiaThis study modelled children's gross motor coordination, investigated sex-differences and identified the effects of fixed and dynamic correlates on motor coordination development. A total of 344 Portuguese children (170 girls), from 6 age cohorts (5 to 9 years of age), were followed consecutively for three years (age range 5 to 11 years) using a mixed-longitudinal cohort design. Birth weight, hand dominance and socioeconomic status (SES) were identified. Gross motor coordination, body mass index, physical fitness (PF) and physical activity (PA) were assessed annually. A sequence of multilevel hierarchical linear models were developed. Model 1 found that age, age2, sex, sex-by-age and sex-by-age2 were significant predictors (p < 0.05) of gross motor coordination. Boys outperformed girls from 6 years of age onwards. Model 2 found a cohort effect (p < 0.05). Model 3 found that right handers were more coordinated (p < 0.05). When the confounders of body mass index, PF and PA were added to the model (Model 4) it was found that boys and girls had parallel trajectories in their gross motor coordination development. In conclusion children with increasing body mass index were less coordinated, while those who were stronger and more agile had steeper trajectories of gross motor coordination with age.
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Journal
Journal of sports sciencesVolume
37Issue
19Pagination
2243 - 2252Publisher
Taylor & FrancisLocation
Abingdon, Eng.Publisher DOI
eISSN
1466-447XLanguage
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2019, Informa UK Limited, trading as Taylor & Francis GroupUsage metrics
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