Question

3 multiple choice 1 point which movement increases the angle of a joint? extension flexion circumduction rotation

Explanation:

To determine the correct answer, we analyze each option:

• Extension: In anatomy, extension is the movement that increases the angle between two body parts at a joint (e.g., straightening the elbow or knee).
• Flexion: This movement decreases the angle of a joint (e.g., bending the elbow or knee), so it is incorrect.
• Circumduction: It is a circular movement of a limb that combines flexion, extension, abduction, and adduction, not specifically about increasing the joint angle.
• Rotation: It involves turning a body part around its own axis (e.g., rotating the forearm or head), not about changing the joint angle.

Thus, the movement that increases the angle of a joint is extension.

Answer:

A. Extension