Document Type : Original Article
Authors
1 Assistant Professor, Department of Sport Sciences, Ilam Branch, Islamic Azad University, Ilam, Iran.
2 MSc in Exercise Physiology, Department of Sport Sciences, Ilam Branch, Islamic Azad University, Ilam, Iran.
Abstract
Background and Aim: Childhood obesity is a global public health challenge. In the past few decades, the prevalence of overweight and obesity among children and adolescents has increased worldwide, which is associated with an increased risk of obesity in adulthood. The aim of this study was to compare the effect of 8 weeks of high-intensity interval training and aerobic training on serum neuregulin-4 levels and the metabolic profile of obese elementary school students. Materials and Methods: The statistical population included elementary school girls aged 7 to 12 years who were obese and had a body mass index (within the 95th percentile or higher) with 3 groups of intense interval training (I), aerobic training (II) and a control group (III) was applied (10 people in each group). The intense interval training program with an intensity of 60 to 70% in the first week and 90 to 100% of the maximum heart rate in the last week and aerobic exercises with an intensity of 60 to 75% of the maximum heart rate were implemented for 8 weeks and 3 sessions every week. Insulin, glucose and TG variables were measured by autoanalyzer by photometric method and neuregulin-4 by ELISA method.. Result: Eight weeks of intense interval training and aerobic training increased the serum levels of neuregulin-4 (p=0.01) and significantly decreased insulin (p=0.04), triglycerides (p=0.01) and insulin resistance ( p=0.006) became students; But the serum glucose level of the students did not change significantly (p=0.85). Conclusion: Intermittent intense and aerobic exercises can reduce the risk of diseases related to obesity in students by improving the metabolic status.
Keywords
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