The Effect Of Sport Training On EPOC Of Obese Young Men After Aerobic Exercise

Obesity has become an epidemic disease, which seriously endanger the human health, and it is imperative to prevent it. The imbalance of energy input and output is an important factor, while exercise is an effective way to increase the energy consumption, therefore, with its security, feasibility and effectiveness, losing weight by taking exercise is favored by people of all ages. A great number of studies show that exercise can not only increase energy consumption, but also maintain higher body RMR and increase resting energy consumption. EPOC, that is the extra oxygen consumption, which refers to physical recovery after exercise, more than resting period. More and more studies show that EPOC accounts for a large proportion of the total exercise energy consumption and mainly used to fat oxidation, so it is significant to study EPOC role in weight control. Sport training is one of the most effective methods which can not only have a positive effect on the cardiopulmonary, circulatory respiratory and digestive system, but also can increase the ratio of fat using and control the weight and fat percentage (Fat%)effectively, especially in the low-intensity, long-time aerobic exercise. What impact does sport training have on the obesity? So far there has no relevant report.Purpose: By analyzing the related physiological and metabolic indicators of non-exercise experience obesity groups and the normal ones, whose exercise mode is 60%VO2max intensity, 40 minutes aerobic power exercise, the purpose of this study is to discuss the sport training's impact on the EPOC of young obesity men and explore its possible mechanism. And the result, from the point of energy consumption after exercise, may provide a pioneer way in slimming effect on young obesity men and also provide its theoretical basis for the exercise prescription.Methods: The study object divides into three groups, that is no-training experience obese young men(Group F), more than one year training obese young men (Group YF), and normal body composition young men (Group C). Each group has 10 numbers, and the exercise mode is 60%VO2max intensity, 40 minutes of aerobic power movement. The main monitoring indicators include the total EPOC and its duration time, heart rate (HR), blood pressure (BP), rating of perceived exertion (RPE), respiratory quotient (RQ), three blood lipids, serum free fatty acid (FFA), serum cortisol (C )and so on.Results:â‘ For the Group F, the values of trigalloyl glycerol (TG),high density lipoprotein(HDL), very low density lipoprotein (VLDL) exceed the normal scope, while for the Group YF, the values of TG, VLDL are also exceed the normal range. Compared the two groups, the values of Group F are higher, however, there is no statistical significance. During the resting state, for the values of HR(P<0.05),systolic blood pressure (P<0.05) and diastolic blood pressure (P<0.05), Group F are obviously higher than the Group YF. At the same time, Group F has reached quasi-arterial blood pressure hypertension; and for the FVC index, VO2max relative value, Group F are significantly lower than Group YF (P<0.001). The above discussed indicates that due to fat accumulation, the obesity are easy to the lipid abnormalities, also a certain reduce of cardiovascular, heart and lung function and aerobic capacity, while taking sport training can improve lipid abnormalities, reduce the risk of cardiovascular disease and have an active role on the heart and lung function and aerobic capacity to some extent.â‘¡During the diet control circumstances, the values of resting RQ of Group F and Group YF are obviously higher than Group C (P<0.05), while there is no obvious difference in the two former groups. The above information indicates that in the resting state, the proportion of obese subjects' energy supply of fat metabolism is lower. Furthermore,for the relative values of basic metabolic rate (BMR) , Group YF is significantly higher than that in Group F (P<0.05), which indicates excessive fat accumulation may lead to a decline of body basic power consumption, however, taking sport training can prevent it.â‘¢In this study, during the Sport training, the three groups' are consistent in the movement trend of HR value, however, during 20 to 40 minutes, for the value of HR, Group YF is significantly lower than that in Group C (P<0.05). Therefore, for the HR recovery time, Group YF is significantly shorter in Group F (P<0.001) During the whole recovery process after exercise. The above indicates that due to the excessive fat accumulation, recovery of cardiovascular system decreases in Group F, while by taking sport training, the obesity can increase their cardiovascular function. What's more, during the sport training, for the values of RPE, Group F is obviously higher than that in Group YF, which indicates that excessive fat accumulation may lead to physical decline and fatigue, while through sport training, the obesity can improve physical fitness, quickly adapt to exercise stimulation and feel comfortable.â‘£For the values of EPOC duration, volume, the relative value of total EPOC, and excessive energy consumption after exercise, Group F is significantly lower than Group C and YF (P<0.001), and compared with the latter groups, Group YF is lower (P<0.001).What's more, for the percentage of EPOC's amount in net oxygen consumption, Group C is significantly higher than that of Group F and YF (P<0.001), and of the latter, Group YF is slightly higher, but there is no statistic significance. And for the value of net energy consumption, Group YF is obviously higher than that of Group F and C (P<0.05),which indicates that, after sport training, their metabolism maintain at a low level. Therefore, by taking sport training, the obesity can enhance their metabolism and energy consumption. Conclusion: 1.The benefits of sport training not only improve cardio-pulmonary function of obese young men but also increase their aerobic capacity, which resuit in increasing their amount of workand the oxygen consumption by doing aerobic power exercise at 60%VO2max intensity(the same physilogical load). Further, it can raise the total amount of EPOC and its time duration which may promote fat metabolism and consumption after exercise. 2. It is advisable for the obese young men, within the acceptable scope of exercise intensity, to do sport training. The more oxygen consume, the greater work does, which will accelerate fat consumption during the resting state. To reach to the desired results, the obese young men should take the factor of EPOC into consideration, which may lead to enhancement of EPOC, and make unremitting efforts to participate in physical exersice.