Anatomists categorize joints based on two categories: structure and function. Structural classification depends on the type of binding material in the joint and the presence or lack of a cavity. Functional classification, meanwhile, is solely based on the amount of mobility that a particular joint allows.
In terms of structure, the symphysis pubis is composed of a hyaline cartilaginous substance that connects the opposing surfaces of the pubic bones. This joint is also characterized by the absence of a cavity. In terms of function, the symphysis pubis is amphiarthrotic, providing limited movement at the joint.Learn more about Bones