SOTO-SANCHEZ, Johana Patricia et al. Pilot study about the effectivity of an intervention based on games in nutritional status and muscle strength on children. []. , 30, 1, pp.147-152. ISSN 1699-5198.  https://dx.doi.org/10.3305/nh.2014.30.1.7485.

Introduction: The overnutrition is a constant on developing countries; Chile is not an exception because it has a marked tendency to overweight and obesity in schoolchildren. The muscular strength has been associated with cardiovascular and metabolic health status in scholars. Effective interventions using games are needed to improve the nutritional status and physical fitness in school children. Objective: To assess the intervention effectiveness based on games played at school time to improve the nutritional status and physical fitness in schoolchildren. Method: 156 students aged between 7 to 15 years, attending to two public schools with full school day, to which a pilot program was applied. This pilot program was based on dynamic recreational games during 45 minutes from monday to friday for 3 months in the largest playtime of the school day. Results: At the end of the intervention, we observed a significant modification on children nutritional status, which highlights an increase in the number of children that reached the normal nutritional status (p < 0.001). We also observed a significant number of obese children who reached overweight nutritional status (p < 0.001). We also observed a decrease of leg muscular strength at the end of the study. Conclusions: We found a positive effect of a program based on dynamic recreational games in the largest school playtime, improving nutritional status. However, we didn't observed modifications in the muscular strength.

: Childhood obesity; Child nutrition disorders; Physical activity; Muscle strength.

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