![]() ![]() However, the superiority of interval training in reducing abdominal fat, especially visceral fat, compared with continuous training has not been thoroughly studied. The interval training regime is furthermore assumed to be more advantageous than continuous endurance training in developing time-efficient lifestyle intervention strategies for controlling obesity. More recently, high-intensity interval training (HIIT), which consists of repeated high-intensity exercise bouts interspersed with passive/active recovery, was shown to induce similar metabolic adaptations associated with continuous training among healthy populations, as well as in patients with chronic diseases. ![]() There is robust evidence that high-volume, moderate-intensity continuous training (MICT) with exercise sessions ≥ 45 min can reduce abdominal visceral fat as well as improve body composition, cardiovascular fitness, and other health-related parameters including insulin sensitivity and lipid profile in both healthy and obese people. Such beneficial effects on the parameters of metabolic syndrome induced by visceral fat reduction were more noticeable compared with those resulting from subcutaneous fat reduction. The effective elimination of excessive abdominal fat in obese people through lifestyle modification and adjuvant appetite suppressants has been associated with reductions in fasting plasma glucose, triglycerides, and HOMA score. The health crisis resulting from the adiposity that appears at these specific anatomical locations has been termed “metabolic obesity”. In contrast with the accumulation of peripheral subcutaneous fat, excessive fat accumulation in the abdominal viscera is strongly associated with obesity-related complications, including type 2 diabetes and cardiovascular disease. The prevalence of obesity and its related diseases has dramatically increased worldwide in recent decades. HIIT appears to be the predominant strategy for controlling obesity because of its time efficiency. In conclusion, MICT consisting of prolonged sessions has no quantitative advantage, compared with that resulting from HIIT, in abdominal visceral fat reduction. Following HIIT and MICT, comparable reductions in AVFA (−9.1, −9.2 cm 2), ASFA (−35, −28.3 cm 2), and combined AVFA and ASFA (−44.7, −37.5 cm 2, p > 0.05) were observed. Total fat mass and the fat mass of the android, gynoid, and trunk regions were assessed through dual-energy X-ray absorptiometry. The abdominal visceral fat area (AVFA) and abdominal subcutaneous fat area (ASFA) of the participants were measured through computed tomography scans preintervention and postintervention. ![]() Forty-three participants received either HIIT ( n = 15), MICT ( n = 15), or no training (CON, n = 13) for 12 weeks. This study compared the effect of prolonged moderate-intensity continuous training (MICT) on reducing abdominal visceral fat in obese young women with that of work-equivalent (300 kJ/training session) high-intensity interval training (HIIT). ![]()
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