a. Regression models considering changes in children’s physical fitness (Léger test: A, B; Agility shuttle test: C, D; Long jump test: E, F) reported as a function of BMI category and age class. Girls: A, C, E; Boys: B, D, F. Underweight, ; normal weight, ; overweight, ; and obese, . *Significantly different slope relative to that for normal weight children (p<0.05). b. Regression models considering changes in children’s physical fitness (frontal throw test: G, H; Sit & Reach test: I, J; standing balance test: K, L) reported as a function of BMI category and age class. Girls: G, I, K; Boys: H, J, L. Underweight, ; normal weight, ; overweight, ; and obese, . *Significantly different slope relative to that for normal-weight children (p<0.05).