Anatomy of the Hip
What two bones form the hip joint?
The pelvis (os coxae) and the thighbone (femur).
What is the most common age group that develops osteoarthritis?
People over 50 years old.
What kind of doctor performs hip replacement surgery?
An orthopaedic surgeon.
What activity should patients avoid after surgery — crossing their legs or walking slowly?
Crossing their legs.
What material are modern artificial hip joints often made of?
Metal, ceramic, or strong plastic.
What is the smooth tissue that covers the ends of bones inside the joint called?
Cartilage.
What is the name of the disease where the immune system attacks joint tissue?
Rheumatoid arthritis.
What metal part is inserted into the top of the thighbone during surgery?
A metal stem with a replacement ball.
What kind of medicine might be injected into the abdomen to prevent blood clots?
Anticoagulant (blood thinner).
About how long can a modern hip replacement last before it may need to be replaced again?
15–20 years or more.
What type of joint is the hip — ball-and-socket or hinge?
Ball-and-socket joint. (art. cotylica)
Besides arthritis, what kind of injury may make hip replacement necessary?
A severe hip fracture.
How long does a typical hip replacement surgery usually take?
Around two hours.
How long can full recovery from hip replacement take?
Around six months to a year.
What is the name of the modern surgical technique where smaller cuts are made and less tissue is damaged?
Minimally invasive hip replacement.