When you are more than 40 years old, muscle ingredient reduces 1/4 kg every year, Therefore, when grow older, even if we eat the same as before, weight still increase about 1 ~ 2 kg every year. Burning fat sport make muscle strong, may suspend the natural process of the muscle decreasing year by year with age increasing, reduces obesity because of fat increasing every year, by increasing the metabolic rate, improve the quantity of burning heat when you are in static state, recovering youthful vitality. Besides, burning fat sports can help increases the flexibility of body, change the shape, further help to keep or restore youth posture.