Knee Osteoarthritis - American Academy of Orthopaedic …

OrthoInfo Basics knee Osteoarthritis What is knee Osteoarthritis ? Osteoarthritis , Osteoarthritis is the most common type of knee arthritis. also known A healthy knee easily bends and straightens because of a smooth, as wear and slippery tissue called articular cartilage. This substance covers, tear arthritis, protects, and cushions the ends of the leg bones that form your is a common knee . problem for Between your bones, two c-shaped pieces of meniscal cartilage many people act as shock absorbers to cushion your knee joint. Osteoarthritis after they reach causes cartilage to wear away. middle age. How it happens. Osteoarthritis occurs over time. When the cartilage wears away, it becomes frayed and rough. Moving the Osteoarthritis of the bones along this exposed surface is painful. knee is a leading cause of If the cartilage wears disability in the United away completely, it can Femur (Thighbone). result in bone rubbing States. It develops slowly on bone.

stiffness are the most common symptoms of knee osteoarthritis. Symptoms tend to be worse in the morning or after a period of inactivity. Knee Osteoarthritis Osteoarthritis, also known as “wear and tear” arthritis, is a common problem for many people after they reach middle age. Osteoarthritis of the knee is a leading cause of

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