Question

a movement which decreases the angle between articulating bones is called a(n)
flexion
extension
circumduction
adduction
abduction

Explanation:

Flexion is a movement that decreases the angle between articulating bones. Extension increases the angle. Circumduction is a circular movement. Adduction moves a limb toward the mid - line. Abduction moves a limb away from the mid - line.

Answer:

flexion