Knee osteomalacia, a part of degenerative knee joint disease, often causes pain and discomfort in the knee joint, affecting the activities of the knee joint and affecting the quality of life. So, what factors are prone to osteoarthritis of the knee? 1, there is a family history of osteoarthritis of the knee in the family as one of the groups of people susceptible to osteoarthritis of the knee 2, often live in a damp, cold environment blood transportation disorders, can make the blood circulation in the bone is not good, the pressure in the bone and the joints of the pressure increases and causes pain, swelling and other symptoms, in the long run, then caused by osteoarthritis. The incidence of osteophytes is higher in people with obesity and stout body type. Overweight, is bound to increase the weight of the joints, contributing to the occurrence of this disease. 4, excessive knee joint activity, such as sports dancers and laborers in certain occupations with knee joint activities. 5, aging With age, people in the middle and old age began to occur degenerative changes in articular cartilage. The reason for this is, first, the joints for many years of cumulative strain, so that the articular cartilage wear and tear thin, or even fall off. Secondly, the cartilage matrix of middle-aged and elderly people in the mucopolysaccharide content decreases, matrix loss, chondroitin sulfate and fiber components increase, cartilage toughness decreases, and therefore vulnerable to damage and degenerative changes. This is one of the groups of people prone to osteoarthritis of the knee. 6, female knee osteoarthritis phenomenon can occur in both sexes, but more women than men, especially middle-aged and elderly women are more common, indicating that the disease may be related to hormonal changes in the body. Simply understand the above factors easily lead to knee osteoarthritis, human aging is irreversible, but we can also avoid these factors that can be changed, but also their own a healthy knee joint.