Humerus Bone Anatomy. Story by Brittany Ferri • 6y. 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 ...

The Humerus Bone: Anatomy, Breaks, and Function Medically reviewed by Kevin Martinez, M.D. — Written by Jill Seladi-Schulman, Ph.D. — Updated on February 28, 2022 Fast facts ...

The head of your upper arm bone, also called the humerus, fits into the socket of your shoulder blade, or scapula. When you extend your arm out away from your body, the rotator cuff muscles keep ...