Want to lose fat, mainly by long-term aerobic exercise. Muscle glycogen is basically consumed in 20 minutes. The longer the time, the greater the proportion of fat energy supply and the more fat consumed.

Knee pain on the one hand is that your weight is heavy and your leg muscles are not strong enough. Running for a long time now really hurts your knees. It is suggested to strengthen the strength of lower limbs, such as squatting against the wall and squatting, which can effectively avoid knee pain. In addition, you can also consider swimming to reduce fat. Although it is not as convenient as running, its efficiency and side effects are better than running.

Besides, this is not a good suggestion. Running needs a pair of shoes with good shock absorption at this stage. In fact, running is the most unnecessary sport to choose shoes, but unfortunately, advertising marketing is too hot now.

Generally speaking, running seems simple, but as a natural sport and competitive event since ancient times, running is really not simple at all. It is recommended to read and study books such as Running Bible and Born to Run.