Joint mobility/muscular chain elasticity in a cohort of 9- to 11-year school children exposed to a specifically designed professionally guided training

Purpose Joint mobility is a fundamental part in physical activity program for children, but a scientific characterization of the methods to improve the articular mobility in healthy children is still poor. The aim of this study was to investigate whether joint mobility/muscular elasticity were related to a merely active lifestyle or could be significantly improved in the presence of a collective, easy-to-perform, but specifically designed and professionally guided program. Methods Specific functional and anthropometric parameters were single-blind tested on 277 children (aged 9–11 years). 148 were randomly assigned to a physical education program specifically designed to increase elasticity and supervised by professionals (treated group), while 129 (control group) continued their usual physical activity at school, with no specific program. Results Specific tests were performed and showed a significant improvement of joint mobility compared to non-specific physical activity in 9- to 11-year children. As a secondary end-point, this program was effective also in children of overweight/obese BMI category. Conclusions These results, building on those from this and other groups, should orientate decision-makers in the area of physical exercise for primary school children towards specifically designed programs based on demographic and anthropometric data.