“…It is known that increasing obesity is inversely related to respiratory function (Behrens, Matthews, Moore, Hollenbeck, & Leitzmann, 2014;Pouragha, Kazemi, Pouryaghoub, & Mehrdad, 2020), and body composition variables are associated with respiratory function (Ischaki et al, 2007;Park, Chung, Lee, & Shin, 2012;Pouragha et al, 2020). For example, lean body mass index had a significant relationship with FEV1 predictor (%) and FEV1/FVC ratio.…”