Knee is the key to lower limb movement, which is both fragile and important. If the human body is compared to a car, the knee is like a wheel, and there is no spare tire, maybe the car can last for 20 years, but if the tire can only last for 10 years, what is the meaning of the car's life? Many elderly people, who are not disabled or have any diseases, often rely on wheelchairs when they go out. If you don't pay attention to the maintenance of your knees, you will often feel pain and weakness in your knees when you are old. If you are old, knee pain will become a big worry in your life. Shopping in the street, going to the supermarket and walking the dog will all become a burden. When you are old, you can only go out in the sun in a wheelchair. Next, let's introduce some golden rules of knee care.

1, wear the right shoes

Whether in daily life or travel, a pair of suitable shoes can save us a lot of trouble. Choose the right shoes according to your foot type, ensure that the insole is designed with arch support, the shoe size is suitable for your feet, the sole hardness is moderate, the sole should not be too thick or too thin, 3 ~ 4 cm is suitable, and shoes with certain cushioning effect are more friendly to the knees. Wear as few high heels as possible.

2. Proper weight control

Overweight is a great burden on the heart, lungs, knees and lumbar vertebrae, especially the knees. Every time the weight exceeds the standard weight 1 kg, the bearing capacity of the knee will increase by 6 kg. In all kinds of sports, the risk of knee injury is greater. Therefore, keeping your weight within a reasonable range is the most basic love we can give to your knees.

3, pay attention to keep your knees warm

Every year, there are news that beautiful women are sick because of exposing their ankles, including urinary tract infection, nephritis, joint pain and so on. In fact, joints are equally fragile. Not only ankle joint, knee joint and shoulder joint are very sensitive to temperature changes, but cold stimulation often leads to further reduction of blood supply to joints with insufficient blood supply. So, don't show your knees for fashion.

4. Don't rub your knees often.

Knee rubbing itself has no effect on relieving knee pain, and it will aggravate cartilage wear, so don't rub your knees blindly, and it may even aggravate knee pain.

5. Choose exercise carefully.

Generally speaking, people who are too old should not choose sports that have a great burden on their knees, such as climbing mountains and playing ball games. Climbing stairs and mountains is very harmful to joints. This kind of exercise to overcome the weight and do work has a great burden on the lower limbs, and it is easy to hurt the knees. Playing ball or other actions involving running and jumping will have a great impact on the knee because of the action of landing on one foot, which often induces serious knee injury. Therefore, for people who are older and have a large weight base, it is recommended to choose swimming, water aerobics and other sports to reduce the burden on the knees.