Bahareh Heidari Sharif Abadi, Farzaneh Taghian,
Volume 17, Issue 6 (10-2018)
Abstract
Background: The purpose of this study was to determine the effect of 10 weeks of Intensity Interval Training and Supplementation green tea on serum level of irisin and insulin resistance in obese women with type 2 diabetes
Methods: In this semi-experimental study,48 women with type II diabetes (aged 49/55±3/04 years with Weight 76/72±5/78 kg, Height 153/33±5/06 Cm, BMI 31/75±1/41 Kg/m2, selected and grouped randomly into four groups the intensity interval training (n=12), combined (green tea extract along with intensity interval training) (n=12) green tea extract (n=12), and the control group(n=12). Training group performed training programs including 3sessions per week at maximum intensity of 75-85% heart rate and the supplement group consumed 3 tablets of green tea (500 mg) daily for 10 weeks high intensity interval training and the supplement group both underwent intervention. Blood samples were collected before and after the intervention in fasting state. The obtained data was analyzed using of variance (ANOVA) and Tukey post hoc test and paired t-test analysis. The significant level was P<0/05.
Results: The results showed that irisin levels and maximum oxygen consumption in all three groups increased significantly after 10 weeks compared to the control group (P≤0.05) Also, the results indicate a significant increase in irezin in the combined group compared with the green tea group. Serum insulin level, glucose, insulin resistance and weight, body mass index decreased significantly in all three groups compared to control group and green tea group and combination group (P≤0.05).No significant difference was found between the groups in the irisin levels)P>0.05).
Conclusion: Regarding the results of this study, it seems that performing periodic exercises along with supplementation of green tea due to increased irisin and glucose reduction can be helpful in improving insulin resistance in patients with type 2 diabetes. Perhaps the desired results can be achieved by increasing the duration of exercise and supplementation with iyrosin and the maximum oxygen intake.
Omid Zafarmand, Fatemeh Kazeminasab,
Volume 24, Issue 5 (12-2023)
Abstract
Background: Physical activity and green tea is one of the recommended ways to control obesity and its complications such as cardiovascular diseases, diabetes and liver inflammation. The aim of this study was the combined effect of exercise training and green tea on lipid profile in adults with overweight and obesity.
Methods: A systematic search of English and Persian articles published in PubMed, Web of Science, Scopus, SID, Civilica, and Magiran databases was conducted until June 2024.
Results: A total of 14 studies with 390 adults with overweight and obesity, of which 198 subjects were in the combined exercise and green tea group with an average age of 34 years old and BMI with an average of 30 kg.m2, of which 192 subjects in the control group with an average age of 34 years old and BMI with an average of 31 kg.m2 entered the present meta-analysis. The results showed that the combination of exercise training and green tea caused a significant decrease in TC [WMD=-22.923 mg/dl, P=0.001], TG [WMD=-9.946 mg/dl, P=0.001], LDL [WMD=-11.675 mg/dl, P=0.001] and insignificant increase HDL [WMD=8.888 mg/dl, P=0.017] in adults with overweight and obesity, compared to the control group.
Conclusion: The results of this meta-analysis showed that the combination of exercise training and green tea in overweight and obese adults decreases TC, TG, LDL and increases HDL. Therefore, exercise and green tea can be suggested to them as a non-medicinal and practical solution to improve lipid profile and reduce cardiovascular diseases, diabetes and liver inflammation.
