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What are the two main types of osteoarthritis?

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Osteoarthritis usually happens slowly when inflammation and injury to a joint break down the cushioning cartilage tissue. The two main types of osteoarthritis are:

  • Primary: This affects your fingers, thumbs, spine, hips, and knees
  • Secondary: This happens after injury, inflammation in a joint, or because of conditions such as hemochromatosis that change the makeup of your cartilage

SOURCES:

NIA Age Page: "Arthritis Advice."

American Academy of Orthopaedic Surgeons: "Osteoarthritis of the Hip."

MedlinePlus: "Osteoarthritis."

Reviewed by David Zelman on May 05, 2018

SOURCES:

NIA Age Page: "Arthritis Advice."

American Academy of Orthopaedic Surgeons: "Osteoarthritis of the Hip."

MedlinePlus: "Osteoarthritis."

Reviewed by David Zelman on May 05, 2018

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How does osteoarthritis affect the hip joint?

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