In a hinge joint
A) motion occurs when gravity pulls on the insertion.
B) movement can occur only in two dimensions.
C) the flexor and the extensor must contract at the same time.
D) movement in three dimensions is possible.
E) an extensor muscle rotates the bones.

Question

Quizplus · Accepted Answer

Hinge joints, such as the elbow and knee, allow movement in two dimensions: flexion and extension. This type of joint does not permit rotation or movement in three dimensions, distinguishing it from ball-and-socket joints which allow for more versatile movement.

In a Hinge Joint