The ball-and-socket joint of the hip is replaced with a pivot joint in which the femur is directly planted into the acetabulum. What movement(s)is/are now the only one(s)possible?
A)Abduction and adduction
B)Rotation
C)Flexion and extension
D)Circumduction

Question

Quizplus · Accepted Answer

In a pivot joint, only rotation is possible. Therefore, the only movement possible after replacing the ball-and-socket joint of the hip with a pivot joint would be rotation.

The Ball-And-Socket Joint of the Hip Is Replaced with a Pivot