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Revista chilena de pediatría
versión impresa ISSN 0370-4106
LOPEZ S, ANTONIO et al. Aerobic Performance in Obese Children of 6 to 10 Years Old. Rev. chil. pediatr. [online]. 2009, vol.80, n.5, pp.444-450. ISSN 0370-4106. http://dx.doi.org/10.4067/S0370-41062009000500006.
Objective: To study the relationship between aerobic performance and nutritional state in children of 6-10 years old. Method: Observational and cross-sectional design. A sample of 98 children (78 girls) attending school in the Metropolitan Region was taken. Of these, 47 were diagnosed as obese, 51 were used as controls. Aerobic performance was determined by distance walked (DW) in 6 minutes walk test (6MWT). Continuous measures of reserve heart rate (RHR) and subjective sense of fatigue (SSF) were taken. / or Wilcoxon tests were used for comparison between groups, Pearson coefficient for correlations and multiple regression to evaluate control variables. Significance level was set at p < 0.05. Results: DW in 6MWT shows differences according to nutritional state (p < 0.0001), with a mean distance of 627.6 ± 24.5 m in control children vs 560 ± 26.8 m in obese children; but these differences are independent of the gender and age variables. Values for RHR and SSF were similar for both groups except for SSF on the first minute. WD and body mass index showed inverse correlation (r = -0,58; p < 0.0001). Conclusions: The performance in 6MWT was lower among obese children, showing an independent relationship with nutritional state and limited cardiorespiratory efficiency, restricting functional activities in daily life.
Palabras clave : Obesity; children; aerobic performance.