Osteoarthritis is a noninflammatory degenerative joint disease characterised by the breakdown of the joint's cartilage. Cartilage that cushions the bo

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Osteoarthritis is a noninflammatory degenerative joint disease characterised by the breakdown of the joint's cartilage. Cartilage that cushions the bones of the hip starts to erode, eventually allowing the bones to grind or rub together and causing hip pain and exact cause of osteoarthritis is unknown. Shown are the pelvis, acetabular (socket), femoral head (ball), femur, cartilage and base of the spine.

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Photo credit: © Medical Art Inc. / Alamy / Afripics
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Keywords: ankle, arthritis, bones, cartilage, hip, human, joint, leg, osteoarthritis, pain, replacementhip, rheumatoid, skeleton, spine, surgery