Joint types are classified based on movement capabilities. Which set lists them in the correct order?

• A. Synarthrosis, diarthrosis, amphiarthrosis.
• B. Fibrous, cartilaginous, synovial.
• C. Synarthrosis, amphiarthrosis, diarthrosis.
• D. Ball-and-socket, hinge, pivot.

Answer: (C)

Movement capability is the key idea. Joints are classified from least to greatest range of motion: immovable joints are synarthroses, slightly movable joints are amphiarthroses, and freely movable joints are diarthroses. So the correct sequence goes synarthrosis, amphiarthrosis, diarthrosis. This ordering reflects how much each type can move, not what tissue they’re made of or specific joint examples. The other options mix classifications by tissue type or list particular joint forms rather than presenting the moveability progression.