Your humerus is the long bone in your upper arm that's located between your elbow and shoulder. A fracture is one of the most common injuries to the humerus.

Medically reviewed by Jennifer Steinhoff, MD The humerus is your upper arm bone. It is the longest bone in the upper part of your body and is connected to many important tendons and ligaments. The ...

They also protect the main shoulder joint, the glenohumeral. About eight shoulder muscles attach to the shoulder blade (scapula), upper arm (humerus), and collar bone (clavicle).