Effect of exercise intensity on lipid profile in sedentary obese adults.

BACKGROUND Exercise is a lifestyle change that has been recommended for lowering atherogenic index in adults. The intensity and duration of exercise to bring about a change in the lipid parameters are yet to be determined. Previous studies examining the effects of exercise intensity on lipid and lipoprotein levels have reported conflicting findings. Thus we aimed at determining the changes in lipid profile in sedentary obese adults influenced by different intensity of exercise. METHODOLOGY Study included 51 obese adults with sedentary lifestyle. Participants performed exercise of moderate intensity (n=22) and high intermittent intensity (n=29) for a duration of 40min/day for 5 days/week and 20 min/day for 3 days/week respectively on bicycle ergometer for a period of 15 weeks. OUTCOME MEASURES Pretesting and post testing included measurement of height, weight, blood pressure and lipid profile. STATISTICAL ANALYSIS RESULTS were analysed using the Paired and Unpaired samples t-test. RESULTS Postexercise revealed significant reduction in the LDL-C and diastolic blood pressure (p<0.05) with the high intensity exercise group.There was a significant difference in BMI, lipid profile and blood pressure in both the moderate and high intensity exercise group. CONCLUSION This study suggests that exercise is "elixir" for a healthy life. High intermittent intensity can be considered for individuals who have time constraints and lead a sedentary life style and moderate intensity exercise advised for individuals who are willing to create time for their health benefits. A programmed protocol of exercise will help in reduction of lipid parameters.