Osteoarthritis is also known as ‘wear and tear’ arthritis and is the most common form of arthritis. In people with osteoarthritis, the cartilage in the joints becomes worn down. Cartilage covers the ends of the bones and allows for the bones to move smoothly against each other (cartilage is the protective cushion on the end of the bones). Damage to the cartilage typically results in pain and leads to stiffness of the joint. In some cases, reduced joint movement and function may affect a person’s ability to perform daily tasks such as climbing stairs, walking or opening jars. Any joint may be affected; however, the joints in the knees, hips, fingers, feet and spine are most commonly affected by arthritis.
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