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What causes knee osteoarthritis?

ANSWER

The most common cause of osteoarthritis of the knee is age. Almost everyone will eventually develop some degree of osteoarthritis. However, several factors increase the risk of developing significant arthritis at an earlier age. Those factors include:

  • Weight
  • Heredity
  • Gender
  • Repetitive stress injuries
  • Athletics
  • Other injuries

SOURCES:

American Academy of Orthopaedic Surgeons: "Arthritis of the Knee."

Familydoctor.org: "Osteoarthritis of the knee."

Arthritis Foundation: "Osteoarthritis."

National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS): "Knee Problems" and "Arthritis: Handout on Osteoarthritis."

Reviewed by David Zelman on January 11, 2017

SOURCES:

American Academy of Orthopaedic Surgeons: "Arthritis of the Knee."

Familydoctor.org: "Osteoarthritis of the knee."

Arthritis Foundation: "Osteoarthritis."

National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS): "Knee Problems" and "Arthritis: Handout on Osteoarthritis."

Reviewed by David Zelman on January 11, 2017

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How does age play a role in knee osteoarthritis?

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