Open-access Comparison between bipolar and octapolar bioelectrical impedance analyzer for estimating fat free mass and relative fat in overweght and obese adolescents

The aim of this study was to compare bipolar (BI2) (frequency: 50Hz) and octapolar (BI8) (frequency: 5, 50 e 500Hz) bioelectrical impedance analyzers to estimate fat-free mass (FFM) and relative body fat (BF%) before and after 16 weeks of intervention in overweight and obese adolescents. The FFM and BF% were measured by BI2 and BI8 before and after 16 weeks of multidisciplinary intervention focused on changing eating and exercise habits. FFM and BF% obtained in the IBs were compared by ANOVA for repeated measures and correlated by Pearson Correlation Coefficient. Differences (p<0.05) were observed between the analyzers for the estimation of FFM and BF% only in the pre intervention moment for the girls. We conclude that the estimations of FFM and BF% were not significantly different between the two BI (octapolar and bipolar), especially for the variation of these two variables.

Body composition; Adolescents; Electrical impedance


location_on
Universidade Estadual de Maringá Avenida Colombo, 5790, 87020-900 Maringá - PR, Tel.: (55 44) 3011 4470 - Maringá - PR - Brazil
E-mail: revdef@uem.br
rss_feed Stay informed of issues for this journal through your RSS reader
Accessibility / Report Error