Knee-joint pain is not only a part of wear and tear associated with aging, but can also occur in relatively younger age due to various causes.
Causes of knee pain
Age-related wear and tear of smooth and low-friction joint cartilage leading to ostroarthrosis is the most common cause of joint pains. Initially, it may affect only a part of the knee joint and there could be a loss of a patch of cartilage. This is in contrast to the late stage of the disease, in which a large part of a joint or whole joint may be affected.
Inflammatory arthroplasty such as rheumatoid