What does the skeletal system do? At the simplest level, the skeleton is the framework that provides structure to the rest of the body and facilitates movement. It includes over 200 bones, cartilage, and ligaments.
The axial skeleton includes all the bones that form bony structures along the body's long axis:
Joints of the skeletal system can be categorized by range of motion:
Joints of the skeletal system can also be categorized by their structure: