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We investigate the effects of 12-week interval training of moderate- or high-intensity exercise on blood lipids and plasma levels of adiponectin.

Thirty-four obese adolescent females [age = 15.9 ± 0.3 years; BMI and BMI-Z-score = 30.8 ± 1.6 kg/m² and 3 ± 0.3, respectively], were randomized to high-intensity interval training (HIIT, n = 11), moderate-intensity interval training (MIIT, n = 11), or a control group (CG, n = 12). Maximal oxygen uptake (), maximal aerobic speed (MAS), plasma lipids and adiponectin levels were measured in all subjects before and after training.

Following the training program, in both training groups, body mass, BMI-Z-score, and percentage body fat (% BF) decreased, while and MAS increased. Low-density lipoprotein cholesterol, high-density lipoprotein …