Disadvantages: Standing for a long time will thicken the calf, and it is easy to get varicose veins. Teachers, surgeons, nurses, hairdressers, counter girls, chefs, restaurant waiters and other occupations that need to stand for a long time are all high-risk groups.

Varicose veins (commonly known as "floating hamstrings") are the most common diseases in the venous system. The main reason for their formation is that the blood accumulates in the lower limbs because of maintaining the same posture for a long time, and the venous valve is damaged over time, resulting in high venous pressure and varicose veins. Varicose veins mostly occur in the lower limbs, and the skin of the legs is red or blue, like twisted blood vessels of cobwebs and earthworms, or hard nodules like tree tumors, and the veins are abnormally enlarged, swollen and varicose.

I used to stand all the time, but I was afraid of varicose veins, so I resigned. . My former colleagues who worked together had varicose veins, which looked like cobwebs. . Moreover, people with varicose veins have thick calves, all because they stand for a long time. Prolonged injury to kidney, sedentary injury to spleen, prolonged injury to liver ... < P > Stand. . The disadvantages outweigh the advantages, so it's better not to stand.