Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The humerus is the only bone in the upper arm. It connects to the shoulder and elbow joint.The humerus works with muscles to raise and rotate ...

The number of periprosthetic humeral shaft fractures is on the rise related to the increasing performance of shoulder arthroplasty (especially reverse shoulder arthroplasty) in an aging population ...

Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion. The ...

Latissimus dorsi and teres major tears have emerged as an increasingly recognized source of shoulder pain and performance ...