[Sedentary behaviors and their relation to anthropometric variables and body fat in schoolchildren].

Objective: To evaluate the association between time spent on sedentary behaviors with anthropome tric variables and the percentage of body fat.

Subjects And Method: 43 schoolchildren (72% male) participated, aged between 6 and 9 years. Anthropometric measurements were weight, height, body mass index, arm circumference, waist circumference, subscapular skinfold, tricipital skinfold, arm muscle circumference, arm area, arm muscle area, arm fat area, and waist-to-height ratio.

Predictive validity of body fat percentage by bioimpedance compared with deuterium oxide dilution in Costa Rican schoolchildren.

Objective: The purpose of this study was to verify the validity of body fat percentage (BF%) by bioelectrical impedance analysis (BIA) in a sample of Costa Rican schoolchildren.

Methods: The sample consisted of 52 male (mean age 8.1 ± 0.