Chinese medicine says: the abdomen is yin and the back is yang. As far as the human body is concerned, the yang meridian mostly runs in the back, and the back du meridian is in charge of the yang. The ancients called Du Meridian "the sea of Yang Meridian". Drying the back can drive away the cold and dampness in the body through the stimulation of heat, dredge the meridians and tonify the yang. It's not very effective to sunbathe your back occasionally. If you can stick to drying your back for a long time, it is a better way to keep fit.
It depends on whether it is better to wear clothes or bare back.
As far as the effect is concerned, it is best to expose the back directly without clothes, but it needs to be done when the ultraviolet rays are not very strong. If the sun is too strong, it will burn the skin and cause itching, peeling and other uncomfortable symptoms.
Men can take off their shirts in the sun. If it is inconvenient for women, they can choose to wear a vest, sit on a stool or lie on a mat, and absorb the sunshine with their backs to the sun.
Will you get a tan after drying your back? Not if you do a good job of sun protection.
However, when drying the back, the face will receive some sun rays more or less, which will increase the chance of being sunburned. Therefore, the chances of drying your face are relatively high. If you are worried about sunburn, you can do a good job of sun protection before going out. In addition, don't bask in the back for too long, so as not to damage the skin.
How long does it take to bask in the back, preferably about 20 minutes.
Sun-drying the back is a way of keeping in good health in TCM. In the process of basking in the sun, you can use the hot air of nature to supplement the yang, which can dispel the cold and help the yang. There are du meridian and bladder meridian on the back of human body, which are easily blocked by cold. Sun-drying the back can play the role of dredging meridians and tonifying yang. If the sun is short, it won't have such a good effect. If you get sunburned for a long time, it is easy to damage your skin, which is not good for your health. Therefore, it usually takes about 20 minutes to bask in the back.