Which type of movement occurs at the hinge joint?

Which type of movement occurs at the hinge joint?

• A. Circumduction
• B. Rotation
• C. Flexion
• D. Eversion

Answer: (C)

At a hinge joint, the primary type of movement that occurs is flexion, which involves decreasing the angle between two body parts. For example, in the case of the elbow joint, when the forearm moves towards the upper arm, it is flexing. This type of movement is characterized by a motion that occurs in one plane, typically allowing for bending and straightening actions.

The structure of hinge joints, such as the knee and elbow, permits movement in one direction along a single axis, which is ideal for flexion and extension. This movement contrasts with other joint types that allow for different types of movement, such as circumduction, which involves a circular motion, rotation, which involves twisting around an axis, and eversion, which involves turning the sole of the foot outward. Each of these movements is associated with different joint types and configurations.