Question

Identify the type of joints in P and Q.

• A. P - Pivotal joint; Q - Ball and socket joint
• B. P - Ball and socket joint; Q - Hinge joint
• C. P - Ball and socket joint; Q - Pivotal joint
• D. P - Hinge joint; Q - Pivotal joint

Answer 1

The correct option is C P - Ball and socket joint; Q - Pivotal joint

• In the given images above, P is "Ball and socket joint" and Q is "Pivotal joint".
• In ball and socket joint, the rounded end of one bone fits into the cavity (hollow space) of the other bone. Such a joint allows movements in all directions. It is present in hips and shoulders.
• The joint present in our neck is pivotal joint. It allows us to move our head forward and backward as well as sideways.