1, excessive exercise: accelerate joint degeneration. Long-term lack of exercise in the office family, often on a whim, want to quickly enhance physical fitness or slimming weight loss, overload high-intensity exercise, running, jumping rope, climbing, up and down the stairs every day, etc., the results of many people have led to knee injuries, some of the condition is also more serious. The knee joint is the most weight-bearing joint in the body, and is also the most vulnerable to injury. The knee joint will have a hard time adapting, especially if you do too much mountain climbing, stairs and other exercises that put a lot of weight on the knee joint, which can lead to damage to the knee ligaments, meniscus, synovium and other tissues, and may further injure the cartilage, accelerating cartilage degeneration and accelerating the onset of osteoarthritis. Exercise should be gradual and should not be too intense, especially for those who lack exercise for a long time. Appropriate jogging, walking, swimming and some strength exercise, can increase joint stability and joint health, but not too much climbing, up and down the stairs exercise, joint disease should pay more attention. 2, excessive diet: increase the burden on the joints Long-term excessive intake of high-fat, high-protein, high-calorie food, will lead to obesity, and obesity will significantly increase the burden on the hip, knee and ankle joints, accelerating the wear and tear of joint cartilage, leading to osteoarthritis. The risk of knee osteoarthritis in obese people is as high as 65%, nearly twice as high as in normal people, and the chances of obesity in women are increased four times; if people reduce their weight to a normal level, the risk of knee osteoarthritis in old age will be significantly reduced. Scientific balanced diet, should be a reasonable mix of meat and vegetables, coarse and fine grains, not too much high-fat, high-protein, high-calorie food, while adhering to appropriate exercise, weight control, to ensure that the body’s normal metabolism. Overweight and obese people, should actively reduce weight. 3, excessive yoga: injury to the joints Yoga can cultivate the body, flexible body yoga is regarded as a fashionable way to exercise, loved by everyone. However, yoga if improperly practiced, the knee damage is great. In particular, some of the extreme movements, such as excessive knee bending, are very harmful to the human body and can cause cartilage damage and joint disease. Yoga is a good exercise if practiced in moderation and the practitioner completes the movements with the guidance and help of a professional. Generally speaking, a single injury, or simple exercise will not cause osteoarthritis unless the injury is very severe and destroys the joint surface and the surrounding stabilizing components. Therefore, this requires that we should pay attention to the degree of joint use in our lives.