The Effect of High Intensity Interval Training on Body Composition in Obesity Patients: Literature Review

Obesity is a major threat to health in various parts of the world. This study will also elaborate further on the effects of HIIT on body composition in obese people. This study uses the literature review method using articles from the last 3 to 9 years. Articles searched through ScienceDirect were 348, MDPI were 29 articles, Scopus were 178 and Springer were 317, so the total population of articles found was 872. This study used Preferred Reporting Items for Systematic Reviews and Meta Analyzes and found a sample of 12 articles. The results of the study revealed that there was a decrease in fat mass of 0.16 kg, 1.81 kg to 4.7 kg, and as much as 0.4 liters of total body water reduction, besides that waist circumference also decreased, but it was different from fat-free body mass which increased by 0.55 kg. In conclusion, HIIT can reduce body composition in the form of fat mass, total body water and waist circumference for obese people, but there is an increase in fat-free body mass.