Because lying down can relax the whole body, massage will achieve the desired effect.

Zhongshan point is located at the midpoint of the line connecting the highest points of the two chests. Zhongshan point is related to the five internal organs and qi, which can regulate the balance of qi in the body and has special effects on dredging blood vessels, strengthening tendons and strengthening chest. Pressing and stimulating acupoints can not only tighten the chest muscles, but also promote cardiovascular health, killing two birds with one stone.