The preschool period (3–6 years) is a critical window for the development of motor abilities, physical fitness, and executive function. Objective: This study aimed to investigate the association between motor coordination (MC) and physical fitness (PFI), examine their independent predictive effects on three core executive functions (cognitive flexibility, inhibitory control, working memory), and verify the mediating role of PFI. Methods A cross-sectional study was conducted with children aged 3–6 years. Motor coordination (MC) was assessed using the MABC-2, physical fitness (PFI) via the Chinese National Physical Fitness Measurement Standards Manual for Preschool Children, and cognitive functions through validated behavioral tasks. Pearson correlation, hierarchical regression, and Bootstrap mediation analyses were employed. Results A total of 713 children (386 boys, 327 girls) were included in the analysis. MC was significantly correlated with PFI (r = 0. 443, p 0. 01). Both MC and PFI were positively correlated with all cognitive functions (rs: 0. 145–0. 250). Regression analysis showed MC and PFI independently predicted cognitive flexibility (β MC = 0. 141, p = 0. 001; β PFI = 0. 106, p = 0. 015) and inhibitory control (β MC = 0. 120, p = 0. 003; β PFI = 0. 098, p = 0. 025). Only PFI predicted working memory (β = 0. 093, p = 0. 035). PFI significantly mediated the relationship between MC and all cognitive functions, acting as a complete mediator for working memory (indirect effect: 46. 9%), and a partial mediator for cognitive flexibility (28. 7%) and inhibitory control (31. 5%). Conclusion The findings support the “Motor Coordination → Physical Fitness → Cognitive Function” pathway, highlighting PFI’s key mediating role. Integrated early interventions combining motor skill training and fitness enhancement are recommended to synergistically promote cognitive development.
Zhang et al. (Wed,) studied this question.
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