People battling debilitating arthritis in the shoulder are finding relief thanks to a revolutionary 'backward' ball and socket joint replacement. Traditional shoulder replacements use a ball-shaped ...

Jonathan Tueting, MD, a shoulder, elbow and hand surgery specialist at Rush Orthopaedics & Sports Medicine, performed the first carpometacarpal total joint arthroplasty in the U.S. In the new ...

Ball and socket joints are useful, but making a part slide over the surface of a sphere, held by magnets, requires a lot of fiddling to get right. We admire persistence and nailing all the details.

Synovial joints are the most common joint type in the human body. Their unique structure permits more motion than fibrous joints (also known as immovable joints) and cartilaginous joints (partly ...

Your hip is the joint where your thigh bone meets your pelvis. It is called a ball-and-socket joint, because the ball-like top of your thigh bone fits into a cup-like area within your pelvis, much ...

Ball and socket joints are useful, but making a part slide over the surface of a sphere, held by magnets, requires a lot of fiddling to get right. We admire persistence and nailing all the details.