The second force refers to the ability of people to exert themselves to show the effect of exertion. It should be noted that "power" and "power" are two different concepts. "Power" is a kind of ability to use power, and a kind of strength skill obtained through hard practice. In martial arts, it has different forms of expression, such as light and shade, hardness and softness, falsehood and reality, weight and speed. Strength is not equal to strength. For example, an ordinary person can carry tens of kilograms of heavy load on his shoulder and walk a long distance, which is very powerful. However, if he is allowed to kick,...