PREVIOUS QUESTION:

 

NEXT QUESTION:

 

How does osteoarthritis happen?

ANSWER

Cartilage covers and cushions your joints and lets them glide smoothly. Over time, wear and tear can thin out the cartilage, particularly in the knee and hip joints. That makes the bones of the joints rub against each other. This is called osteoarthritis.

SOURCES:

American Academy of Orthopaedic Surgeons: "Osteoarthritis of the Hip," "Arthritis of the Knee."

Charles Bush-Joseph, MD, professor of orthopaedic surgery, Rush University Medical Center.

Arthritis Foundation: "Who Gets Osteoarthritis?" "Osteoarthritis Fact Sheet."

Reviewed by David Zelman on January 08, 2018

SOURCES:

American Academy of Orthopaedic Surgeons: "Osteoarthritis of the Hip," "Arthritis of the Knee."

Charles Bush-Joseph, MD, professor of orthopaedic surgery, Rush University Medical Center.

Arthritis Foundation: "Who Gets Osteoarthritis?" "Osteoarthritis Fact Sheet."

Reviewed by David Zelman on January 08, 2018

NEXT QUESTION:

What are first signs of hip osteoarthritis?

WAS THIS ANSWER HELPFUL

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

    This tool does not provide medical advice. See additional information.