The effect of 6 weeks of high intensity interval training plasma levels of acetylated and BMI in obese men

Article Type:
Research/Original Article (دارای رتبه معتبر)
Introduction and Purpose

Ghrelin is a peptide that consists of 28 amino acids and is produced by epsilon cells in the pancreas and stimulates the feeling of hunger, and this substance increases before eating food and decreases after it. The aim of study is to evaluate the effect of 6 weeks of high intensity interval training (HIIT) on plasma levels of acyl ghrelin hormone of obese men.

Materials and Methods

For this purpose, 20 obese men aged 18 to 22 years old with a BMI between 29/9 and 34/9 kg/m2 in two experimental groups of 10 each (six weeks of high-intensity interval training, three sessions per week that include four-minute intervals. It was exercise with an intensity of 90% of the reserve heart rate with two minutes of recovery per week. Interval training with high intensity three sets in the first week and one set was added every week until the fourth week ) and control was 10 people (without training intervention)and were studied in the pre- and post-test design. Before and after six weeks of training, the height and weight of the subjects of both groups were measured to measure the body mass index and their blood samples were collected and taken to the laboratory to measure the plasma levels of the acetylated ghrelin hormone. The data were analyzed using t-test and covariance analysis at a significance level of P≤0.05.


The results of the analysis of covariance showed a significant increase in ghrelin levels and a significant decrease in body mass index in the post-test stage compared to the pre-test in the experimental group and the control group (P<0.05).

Discussion and Conclusion

The results indicate that six weeks of high-intensity interval training with an increase in acetylated ghrelin can reduce appetite and, as a result, reduce body mass index and be effective in reducing the weight of obese people.

نشریه ورزش و علوم زیست حرکتی, Volume:15 Issue: 2, 2023
11 to 20  
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