Which term refers to the motion of bringing a limb closer to the midline of the body?

The term that refers to the motion of bringing a limb closer to the midline of the body is adduction. This movement can be visualized as moving an arm or leg inward towards the center of the body, effectively decreasing the angle between that limb and the midline.

In contrast, abduction describes the motion of moving a limb away from the midline, which is the opposite of adduction. Additionally, extension refers to straightening a joint or increasing the angle between body parts, while flexion involves decreasing the angle between body parts, like bending the elbow or knee. Understanding these terms is crucial for accurately describing movements in anatomy and physical activities.