What term describes the act or process of an object moving closer to the midline?

The term that describes the act or process of an object moving closer to the midline of the body is adduction. This movement is fundamental in understanding anatomical positions and movements. When a limb or any body part is adducted, it is moved toward the center line of the body.

For example, bringing the arms down to the sides after being raised away from the body involves adduction. This concept is pivotal in the study of body mechanics and physical movements, particularly in fields like physical therapy, fitness, and medicine, as it helps professionals describe how body parts interact during movement.

In contrast, abduction, which is often confused with adduction, refers to moving a body part away from the midline. Extension involves increasing the angle between two body parts, and rotation refers to turning a body part around its axis. Understanding the distinctions between these terms is essential for anyone studying health sciences or related fields.