Swimming is recommended first, because under the action of water, the pressure on the knee joint is very small. If you don't pursue speed, you will hardly hurt your knee, and you can also exercise the ligaments and muscles around your knee. It is necessary to do other exercises to lose weight after swimming. Walk slowly and jog, don't run too fast. A large number of joint impacts will occur during running, which will damage articular cartilage. It is best to wear flat shoes, walk slowly on the plastic track or soft road, and try to avoid wearing hard shoes and high heels on the hard road.

In the process of cycling, the hip joint is the main part to support the load of human body, and the knee joint basically does not participate in the load bearing. Repeated knee flexion and extension exercises, exercise muscles and ligaments, restore knee joint function, promote local blood circulation and absorb more inflammatory factors. Therefore, for patients with knee joint injury, it is recommended to carry out these activities, which will not help much in decompression mechanics, and may even affect venous return because of wearing too tightly.

Static squat can increase the muscle strength of the medial head of quadriceps femoris and the right femur, and reduce the use of patellar cartilage by improving patellar arrangement. Feet are shoulder width apart, feet are in front of the body, the whole trunk is close to the wall, and knees are bent. With the progress of exercise, the knee bending angle increases with the increase of thigh muscle strength, and then the knee bending angle increases.

The specific method is to put your knees together, cross your fingers, palm up, relax your neck, naturally lean back, support your waist line with abdomen, put your knees together, put your knees together, cross your fingers, stretch your waist and upper limbs for a few seconds with the greatest strength, and bend down to touch the ground as much as possible. Inhale and exhale downward. Xie Linfen suggested that they can hold safe walking crutches with both hands to reduce the burden on the waist, knees and lower limbs; As for walking slightly sideways when going downhill, this is a good way to reduce the burden on your knees, because your legs bend at different angles, so walk slowly with the railing.