Not all forms of exercise are beneficial, especially for the knee joints, climbing is detrimental to the knee joints. 1, knee wear and tear can not be repaired after 50 years old climbing exercise, anti-injury traditional concepts, climbing is a good aerobic exercise to help people exercise thighs and buttocks muscle groups, at the same time, but also able to exercise cardiorespiratory functions. But the fact is that many orthopedic experts remind: climbing is the “dumbest sport”. Climbing is a weight-bearing exercise, the joints below the waist have to bear the weight of their own bodies, especially the knee is the most force. When the body climbing steps up, the weight of the knee burden will instantly increase to the usual 4 times or so. 2, the knee life of only 60 years to change the sports habits to extend the 40 years in fact, the joints of the life is limited. Once the joints “gas number has been exhausted”, will trigger a variety of joint diseases! The life of the joints is mainly determined by the gene, the general health life is 60 years. On the one hand, we need to exercise the muscle groups of the thighs and buttocks. But on the other hand, people can’t do it at the expense of hurting their knee joints. Overuse increases the wear and tear on it and is irreparable. But experts explained that the solution to this problem is not difficult, just need to change everyone’s exercise habits can be. 3, extend the life of the knee 40 years resolutely do not do these actions do not do strenuous exercise on the hard floor, such as squatting, frog jumping, running, jumping rope and dancing, will aggravate the wear and tear of the kneecap. In particular, squatting down and then standing up causes the most wear and tear on the joints. Articular cartilage is about 1 to 2 millimeters in size and serves to cushion the pressure and protect the bone from breaking. It is the equivalent of rubber on a running track, and helps to cushion a force when moving up and down, which in turn protects your joints. Exercising on a hard floor and bouncing back under a super strong reaction force can be quite damaging to joints and bones. Therefore, it is recommended to do more exercise in the rubber sports ground. 4, extend the life of the knee 40 years these sports must not be less than the most suitable for the knee joints of the movement: swimming, cycling, gymnastics, for the average person, the joints of the most beneficial movement is swimming. In the water the human body is parallel to the ground, the joints are basically not weight-bearing. People with diabetes, high blood pressure and other chronic diseases swim more, the whole body is good. In order to achieve the purpose of exercise, you can choose to swim, cycling, gymnastics and other joints less weight-bearing sports.5, knee rehab the most suitable exercise method whether you now have no knee discomfort, this movement will be suitable for you, because this movement: do not need to go out, do not need equipment, do not damage the knee, but also exercise to the knee! Method: 1), find a chair that can be reclined, sit back with your hips against the back of the chair. Hands on the back of the chair, back cushion. 2), thighs under a bath towel, can also be several bath towels and towels bundled together, as long as thick enough, bundled solid can be, the purpose is to be the knee cushion. 3), sitting upright, waist and back straight, two feet hanging down, a front and back naturally swaying. Do not need to swing too drastically, easy to shake ah shake on it! This move may seem simple, but it is very helpful to strengthen the knees. People with old knee injuries or foot pain, you can use the healthy foot to drive the painful foot, the healthy foot to support the painful foot at the same time back and forth naturally rocking back and forth, doing this is equivalent to rehabilitation, you can let the knee gradually restore health.