Question

Ball-and-socket joints allow this gymnast to complete many of the routines that she performs.

Answer 1

Answer: Hip

Explanation: The ball and socket joint can be seen in the hip. It is located where femur(thigh bone) meets the pelvic bone.

The ball and socket joint is a type of synovial joint in which one bone looks exactly as a ball and another bone bone looks exactly like socket or cavity in which the first bone will fit.

This helps in the movement of the bone in all the directions. So, as we know the hip moves in every direction it has ball and socket joint.

Answer 2

Hip. the shoulder and hip form the only ball an socket joints in the body.