How your shoulder works

Your shoulder is a very important joint in your body. When it is not working properly, it can cause a lot of pain, discomfort, and difficulty with even the most simple tasks in life. Shoulder anatomy and the ways in which it functions normally are discussed in the following sections:

Shoulder anatomy and function The bones of the shoulder The muscles and tendons of the shoulder The ligaments of the shoulder The acromio-clavicular (A/C) joint