Exercises for degenerative knee joints include swimming, slow walking, etc. There is no best way to do it, just the one that suits you. Knee joint as an important weight-bearing joints, up and down the stairs, walking for a long time, will cause wear and tear on the knee joint, with age, the more serious wear and tear, ligaments and tendons are degeneration, joint lubricating fluid to reduce the adhesion of the surrounding tissues, the clinical pain, swelling, limited activities and other manifestations. At this time, we should pay attention to reduce up and down stairs, walking time should not be too long. In the period of remission, you can carry out the exercise of slow walking, and do more straight leg raising of the lower limbs, etc. to exercise the strength of the legs. Normally, you can swim more, because when you swim, there is the buoyancy of the water, the knee joint is less stressed, and the body can completely relax, which is beneficial for slowing down the degeneration of the knee joint. You should consult a doctor in time and exercise under the guidance of a physician.