What is the term for the motion of a limb moving toward the midline?

• A. Adduction
• B. Abduction
• C. Elevation
• D. Depression

Answer: (A)

The term for the motion of a limb moving toward the midline of the body is adduction. This movement brings a body part closer to the center of the body, which is an essential concept in understanding human anatomy and the mechanics of movement. For instance, when you lower your arms to your sides or bring your legs together from a spread position, you are performing adduction.

In contrast, abduction refers to moving a limb away from the midline. Elevation and depression describe movements in relation to the vertical position; elevation involves moving a body part upward, while depression refers to moving it downward. Understanding these terms is crucial for EMTs as they assess and describe a patient's condition, especially when evaluating injuries or abnormalities related to joint movement and limb positioning.