Final answer:
Elevation and depression are the movements that occur at the scapulae when you shrug your shoulders. These movements are used to lift the arms at the shoulder and shrug the shoulders.
Step-by-step explanation:
Elevation and depression are the movements that occur at the scapulae when you shrug your shoulders. Elevation is the upward movement of the scapulae or shoulders, while depression is the downward movement. These movements are used to lift the arms at the shoulder and shrug the shoulders.