Concordância de técnicas duplamente indiretas na análise da composição corporal bidimensional em diferentes faixas do índice de massa corporal

Abstract

In view of the importance of assessing body composition, whether in determining physical condition, or in the prevention and treatment of various diseases, and the lack of studies that point to doubly indirect assessment methods in the analysis of the percentage of body fat in individuals in different BMI ranges, the present study aims to verify the agreement of these methods for the analysis of %BF in comparison with the %BF data obtained through air displacement plethysmography (reference technique) in adults with classified body mass index with normal weight, overweight and obese, residing in the city of Manaus. This study, which is divided into two articles, article one, aims to investigate the agreement and reproducibility of a portable electrical impedance myography device (MIE - SKULPT®) to estimate the percentage of body fat in young adults, with this , participated in this study sixty young adult volunteers (men, n=30; women, n=30) who were submitted to %BF assessment through ADP and measurements through electrical impedance myography (EIM). Study 1 shows that the LIM has good intra- and inter-day reliability, but it can overestimate the percentage of body fat in relation to the ADP for both men and women. Health and fitness professionals can be encouraged to use the MIE for longitudinal monitoring of body fat. The second article aims to compare the agreement between different anthropometric equations for estimating the body fat percentile of overweight and obese individuals. with overweight and obesity carried out between 2015 and 2020 from the database of the Laboratory for the Study of Human Performance (LEDEHU) of the Federal University of Amazonas. Study 2 concludes that the anthropometric equations proposed in the literature differ in relation to the predictive capacity of the % BF. Indicating that it is necessary to be careful in its applicability to %BF estimates in overweight and obese adults residing in the city of Manaus.