Consider the marvelous physics of the human knee. The largest hinge joint in the body, it has two rounded bones held together ...

We asked Dr. Aravind Athiviraham, an orthopedic surgeon at UChicago Medicine, to find out. Why does cold weather lead to ...

Cartilage is the body’s most stubborn tissue. Once it wears away, it’s usually gone for good. This biological dead-end is the ...

Reduce your risk of developing osteoarthritis, which presently affects over 30 million adults in the U.S.

CHICAGO — Every time you bend your knee, rotate your shoulder, or nod your head, you’re using a remarkable piece of biological engineering called a synovial joint. These specialized connections ...

A bit of relief, or maybe just a force of habit: We’re separating fact from fiction about what happens when you crack your knuckles and other joints. * It all has to do with the “synovial fluid” in ...