Medically reviewed by Jennifer Steinhoff, MD The humerus is your upper arm bone. It is the longest bone in the upper part of ...

To get a picture of how Lucy's species, Australopithecus afarensis, moved, scientists compare fossils to the bones of modern humans, as well as to the anatomy ... upper body as she moved. Lucy ...

This type usually starts in the thigh bone (femur), but other sites include: upper arm bone (humerus) lower arm bone (radius) upper shin bone (tibia) Treatment for round cell sarcomas is usually the ...