It's the calf of a person.
The elderly, especially cardiovascular and cerebrovascular patients, usually kick the calf, which can not only speed up the blood return of the leg veins, balance the blood return ability of the heart, greatly promote the blood circulation of the human body, but also benefit from the prevention of various heart diseases.
For example, if you want to improve your immunity, you can rub your forehead in 3 minutes in the morning
Another example: 3 minutes in the morning to expand the chest, can activate the thymus gland and improve disease resistance
Comb your hair in 3 minutes in the morning, black hair and brain
Rub your ears for 3 minutes during the day, and your ears and eyes will be bright
Percussion for 3 minutes at night to strengthen the kidneys and strengthen the teeth
Rub the abdomen for 3 minutes in the evening to relieve the disease
Press the spring for 3 minutes at night and sleep peacefully