What is osteoarthritis?

What is Knee Osteoarthritis?

Osteoarthritis (OA) is the most common form of arthritis, and is often called wear-and-tear arthritis. It is a natural part of aging, and occurs when the cartilage that cushions the knee erodes.

As Osteoarthritis affects the knee, the cartilage thins and the space between the bones narrows. The surrounding bones react by becoming thicker. This loss of cartilage and resulting changes in anatomy causes pain, swelling, and stiffness. Arthritis means "Joint Inflammation". The less cushion you have, the more knee pain you will usually experience. OA is a chronic disease that most likely will get worse over time. There is no cure.

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