The upper extremity is a term used to define the upper limb. This includes the shoulder, arm, forearm, wrist and hand. The hand is a very complex part of the body, and all of the parts of the upper extremity are essential to functioning hands. 

Within the upper extremity, there are bones, joints, muscles, nerves, vessels and tendons that tie all of the parts together. Learn more about the anatomy of the upper extremity using the links in this section.

You can also visit our photo gallery of anatomy photos.