Osteoarthritis in the knee. Image by jcomp on Freepik What is osteoarthritis (OA)? Osteoarthritis (OA) is the most common form of arthritis. Alternatively, some people call it degenerative joint disease or “wear and tear” arthritis. It occurs most frequently in the hands, hips, and knees. With OA, the cartilage within a joint begins to break down and the underlying bone begins to change. These changes usually develop slowly and get worse over time. Eventually, it can cause pain, stiffness, and swelling. In more severe cases, it also causes reduced function and disability; some people are no longer able to do daily tasks or work. Osteoarthritis (OA) is the most prevalent joint disease and a leading cause of disability in older adults. Signs and symptoms of osteoarthritis: Pain or aching Stiffness Decreased range of motion (or flexibility) Swelling Risk factors: Joint injury or overuse—Injury or overuse, such…
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