Running is one of the most ancient of exercise. In ancient times, only run fast, run long, and get more game and to protect its own security. Running is aerobic exercise, can improve heart and lung function, vascular function, improve metabolism, improve agility and balance the body, but also can regulate body fat, develop a strong quality of patience. With the national health campaign, more and more people join the ranks of running.

Running to achieve three targets

We are taught very young age, exercise should be sustained. Therefore, many people believe that once you start running, you must every day. But according to the results of the latest sports science, running does not need to be forced, as long as the gradual increase in the amount of training on the line. In general, to take running fitness, in order to achieve a certain training effect, is required to achieve three basic indicators: more than 20 minutes duration; heart rate 120 beats / min or more (young people); frequency more than 3 times per week. In other words, running 3-4 times a week on the line.

Body needs to "rest day "

Why did not need to run it every day? Toyama University, Japan Mountain Athletic Union Scientific Committee Secretary Dr. Kai "running key guidance, "a book that: If you are fitness for the purpose of running, we should meet the rest, or fatigue, but there will be physical problems.

In general, you can run for two days one day off, or run for three days one day off.

Exercise can promote good health and is based on the "over-restoration" of this theory: the normal load exceeds the body's physical activity can bring more muscle and visceral stimulation, so the body will think it's part of "power"is not enough, it will organize "Resources "to enhance the related functions, so the level of physical health, exercise capacity will be increased. But exercise can lead to physical fatigue, so need to give the body some time to complete the "super-compensation. " Otherwise, not only affects the normal working life, can also cause damage.