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Abstract

International Journal of Exercise Science 15(4): 373-385, 2022. Obesity induces several disorders, such as android obesity, insulin resistance, and coronary/peripheral artery disease, and obese individuals commonly have low adherence to training programs. Exercise at self-selected intensity is a feasible strategy to avoid dropouts of training routines. We aimed to assess the effects of different training programs at self-selected intensity on body composition, ratings of perceived exertion (RPE), feelings of pleasure and displeasure (FPD) and fitness outcomes (maximum oxygen uptake (VO2max) and maximum dynamic strength (1RM)) in obese women. Forty obese women (n = 40; Body Mass Index: 33.2 ± 1.1 kg.m-2) were randomly allocated to combined training (CT = 10), aerobic training (AT = 10), resistance training (RT = 10) and control group (CG = 10). The frequency that CT, AT and RT performed the training sessions was 3 times per week during 8 weeks. Body composition (DXA), VO2max and 1RM were assessed at baseline and after intervention. All participants were on a restricted dietary intake aiming to ingest 2.650 kcal per day. Post hoc comparisons revealed that CT promotes a larger decrease in body fat percentage (p = 0.001), body fat mass (p = 0.004) than other groups. CT and AT elicited higher V̇O2max increases (p = 0.014) than RT and CG, and 1RM values were higher in CT and RT (p = 0.001) than AT and CG at post-intervention. All training groups presented low RPE and high FPD over the training sessions, but only the CT was effective to reduce body fat percentage and body fat mass in obese women. In addition, CT was effective to increase simultaneously maximum oxygen uptake and maximum dynamic strength in obese women.

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