Influence of Body Composition on Lung Function and Respiratory Muscle Strength in Children With Obesity Dirceu Costa Juniora, Fabiana S. Peixoto-Souzab, Poliane N. Araujob, Marcela C. Barbalho-Moulinc, Viviane C. Alvesb, Evelim L. F. D. Gomesb, Dirceu Costa