Degenerative changes in the right knee joint have the same cause as degenerative changes in the left knee joint and are not specific. The causes of knee degenerative changes include long-term heavy physical labor, long-term strenuous exercise, overweight, etc. Long-term wear and tear of the knee joint is severe, leading to degenerative changes in the joint, causing joint pain, deformation, and limitation of activities. Falls do not cause degenerative joint changes. If the pain cannot be relieved after a fall, it may be caused by fractures, etc., and you should go to the hospital in time to check whether there are any fractures and ligament injuries. If the knee joint has pain, activity limitation and other discomforts, you should go to the hospital in time, improve the examination to clarify the cause of the disease, and give targeted treatment or treatment.