Affiliation:
1. Departamento Didáctica de la Expresión Musical, Plástica y Corporal, Universidad de Jaén, Spain
2. Departamento de Educación Física, Deportes y Recreación Universidad de La Frontera, Temuco, Chile
3. Ayuntamiento de Santiago Pontones, Jaén, Spain
Abstract
Purpose: The aim of this study was to evaluate the performance of healthy Chilean children aged 3–10 years in the 6-minute walking test (6MWT) and cardiometabolic risk variables and to determine sex- and age-specific reference values. Methods: This study involved 1165 healthy children (age = 6.36 [1.70] y old). The 6MWT was used to evaluate exercise performance. Furthermore, anthropometric measures were collected, like weight, height, body mass index, waist circumference, and skin folds. Resting heart rate and blood pressure (BP) were also evaluated. Results: The prevalence of overweight and obesity was 35.0% and 25.4% in preschoolers and 29.0% and 36.2% in school-age children, respectively, showing significant differences (P < .05) between age groups. The distance walked (6-min walk distance) increased significantly year on year at ages from 3 to 10 years. According to the regression analysis, 6MWT performance was positively related to age, systolic BP, and height, whereas it was negatively related to ∑4 skinfold fat, resting heart rate, diastolic BP, and waist circumference. Conclusions: This study provides a reference equation and an age- and sex-adjusted percentile curve to assess the predicted 6MWT performance in a cohort of prepubertal Chilean children. The 6-minute walk distance depends mainly on age; however, other variables, such as resting heart rate, BP, skinfold fat, and waist circumference, add significant information and should be taken into account.
Subject
Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine,Pediatrics, Perinatology and Child Health
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