When knee problems occur, many people don’t know what to do. Some people think exercise is good, others think rest and recuperation is necessary. There are many different opinions and opinions. In fact, there are many misconceptions about how to exercise for osteoarthritis of the knee. Myth 1: Exercise will accelerate the aging of the knee joint The knee joint exists to help humans to complete walking and exercise, reasonable exercise can increase the strength of the leg muscles and ligament flexibility, effectively reducing the incidence of knee osteoarthritis in the elderly and reduce pain. Older adults with knee problems should avoid strenuous exercise and weight-bearing activities and instead choose exercises that are less damaging to the knee joint. Such as swimming, cycling and jogging. Jogging can enhance the elasticity of joint ligaments and the coordination of joint movements. But the elderly can not run too fast, not too strong. It is best to let the front part of the foot hit the ground first when running, so as to cushion the vibration of the leg and prevent knee injury. In addition, the elderly should try to avoid squatting, especially weighted squats. If you must squat, do it slowly and try to use your hands for support. Myth 2: A lot of exercise can “wear out” bone spurs. In order to maintain the flexibility of the spine, knee and ankle joints and reduce the interference of bone spurs with the surrounding soft tissues, it is necessary to engage in appropriate physical activity. In addition, exercise allows the soft tissues around the bone spur to adapt to the local stimulation of the spur as soon as possible, thus reducing discomfort and pain in the body. However, it is not possible to “wear out” the spur; on the contrary, excessive exercise can aggravate the damage to the knee joint. Myth #3: Climbing mountains to exercise the knee joint Many older people have the habit of climbing mountains. Although climbing is a good exercise to refine cardiorespiratory function and reduce fat, but it is not conducive to protecting the knee joint. When climbing, the knee joint bears its own weight, and when going downhill, in addition to its own weight, the knee joint has to bear the force of the downward stroke, increasing the wear and tear on the knee joint. It is recommended that older people walk up the mountain, wear knee pads and use hiking poles, and take the cable car on the way down. Myth #4: Tai Chi is a great way to improve your health and exercise your joints. Tai Chi is a great tool in national health care, giving some older people something to do every day and exercise. But not for people with osteoarthrosis of the knee joint, because the knee joint has degenerated, playing Taijiquan if squatting too low, will increase the weight and wear of the knee joint, and in serious cases there will be damage in the process of squatting. Therefore, people with osteoarthritis of the knee playing taijiquan, do not squat too low, there are difficult movements do not pursue must do. Patients with osteoarthritis of the knee should choose the right type of exercise and avoid excessive exercise intensity. If there is difficulty in conversing with bystanders during exercise, it suggests that the amount of exercise is too much. Each exercise can be done in about 30 minutes, with breaks in between, no less than 3 to 4 times a week, and you must do warm-up before exercise and relaxation after exercise.