effects of waterobics programs on body mass, body composition, and coronary risk profile of sedentary obese middle-aged women

Background: waterobics is a physical exercise with very few effects on the joints, hence its attractiveness for weight loss in obese middle-aged people. objectives: this study was intended to evaluate the body mass, body composition, and coronary risk profile in sedentary obese middle-aged women in response to exercise-related time (continuous and at intervals) in waterobics programs. methods: this prospective experimental research was conducted in 2018. forty women with sedentary lifestyles (mean age 50.7±4.7 years) were selected and distributed randomly into two groups: high-intensity interval training (hiit) and moderateintensity continuous training (mict). both programs consisted of waterobics exercises with similar energy expenditures (1500 kcal per week), implemented over three 60-minute sessions per week for three months. before and after the study, anthropometry, body composition, and coronary risk profile were assessed. non-parametric wilcoxon test was used for group comparison (before and after). results: before-after comparison of the parameters showed a significant decrease in body mass (-0.8 kg, p=0.04), bmi (-0.4 kg/ m2, p=0.02), fatty mass (-0.6 kg, p=0.03), and hip circumference (-4.2 cm, p=0.04) of the mict, and a significant reduction in fat mass (-0.7 kg, p=0.03) in the hiit. no significant differences were observed concerning the t-c, ldl-c, and hdl-c between the mict (respectively, p=0.23; p=0.1; p=0.08) and hiit (respectively, p=0.1; p= 0.06; p=0.14) groups. conclusion: waterobics programs without nutritional monitoring showed moderate effects on the body mass and body composition of sedentary obese middle-aged women. the hiit group exhibited better, yet insignificant, results with regards to the coronary risk profile.