Intercostal muscles and latissimus dorsi exercises can increase the lung capacity of the human body, is particularly good for human respiration. There are two main ways to practice intercostal muscles, 1, chest expansion exercise, for the human body is a very good exercise, because it can make the intercostal muscles muscle strength to increase and promote the role of human respiration. 2, you can swim in a way that can also increase the contraction and diastole of the intercostal muscles, but also is a kind of aerobic exercise. For the human body is very helpful, mainly to increase lung capacity, if people can insist on swimming or insist on exercising the latissimus dorsi muscle, intercostal muscles and so on to achieve a certain level of intensity, the human lung capacity will naturally increase.