1.keep fit
2.improve one's immunity
3.take precautions against coronary,respiratory and metaboli diseases.
4.reduce the probability of the occurrence of cancer
5.to stabilize and improve the blood pressure
6.to improve the blood composition
7.to improve sleep
8.to help control blood sugar and stability
9.to prevent injury and reduce risk of sports injury
10.maintain good joint function
11.to improve the bodily form
12.balance muscle(strength),to improve the posture
13.raise the level of physical fitness and improve sporting performance
14.enhance the capacity for day-to-day physical activity
15.to help achieve and maintain appropriate weight
16.to improve the anxiety and depression
17.to prevent strain and decline in muscle
18.slow down the aging bones and prevent osteoporosis
19.to be applied to physical rehabilitation
20.slow down the speed of aging
好多呀,希望能对你有些帮助.