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The physical components has two broad and narrow meaning On the broad sense, body composition including moisture, protein, fat, minerals, etc., the narrow sense of the body composition mainly refers to the percentage of body fat. Human body composition is an important factor to measure physical health, and a major factor to induce the diseases. Therefore, we can determine the health status of the human body by monitoring the changes in body composition Healthy person often can maintain body composition indexes in a specific proportion, on the other hand, unhealthy one’s body composition indexes were often out of the normal range.This research is based on exercise on physiology, sports psychology, biochemistry and nutritional science and other theoretical knowledge, and according to the physiological and psychological characteristics and body compositions of tests results of graduates, designing an exercise prescription on body composition intervention to irregular groups, to test the graduate student body composition before and after exercise changes, and verification the safety, scientificity and effect of designed exercise prescription on fitness, losing weight. The research sample comes from 07,08-class graduate students of Yan’an University, by body composition testing, and we selected the fat constitution, state of obesity, obesity person based on obesity assessment test, a total of 61 people (male 16, female 45 person) as the study object. Experiment in two phases, the first three months of the pre-experiment has designed to test the content of aerobic exercise prescription effective on time, intensity and viability. After the pre-experiment, body composition has measured again to compare and analyze the results, to verify reasonableness of exercise prescription. The results showed that changing to normal from obesity is a bit low, muscles which is no significant increase, which suggests that intensity of exercise prescription is too small and need to be adjusted. After exercise prescription of the first stage, by physical evaluation, the too fat, obesity person reduced to 38 (male 7,female 31). We adjust the exercise prescription for an another period of three months for the exercise prescription II experiment, at the end tests, we measured body composition again to compare with the two experiments and analysis the data.Tests indicates that after the experiment body weight, body fat mass, body fat, BMI, WHR values are significant decreased, muscles volume increased but no significant changes, body water distribution and obesity tend to a more normal level. Experiment has achieved a positive result:the aerobic exercise prescription adjusted after two designed experiments becomes more reasonable scientific, which is feasible and valuable to promotion in the graduate group, is the first choice for weight loss prescription.
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