Articular cartilage is a layer of material in the hip joint that covers the surface of the femoral head and acetabulum, cushioning them and allowing them to move against each other without causing damage. This cartilage sometimes tears or becomes damaged, either from high impact sports like running or jumping, as a result of friction caused by hip impingement, or from basic wear and tear.
When articular cartilage is damaged, the torn fragment often protrudes into the joint, causing pain when the hip is flexed. Also, the bone materialbeneath the surface no longer has protection from joint friction, which may eventually result in arthritis if left untreated. Articular cartilage injuries often occur in conjunction with other hip injuries, and like labral tears, may require an MRI with a dye injection to confirm the diagnosis. After confirming the diagnosis, your doctor may recommend arthroscopic surgery.
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