Your friend nods back and forth to you,making the "yes" motion.What muscle actions on the head at the neck are involved in this 'yes' motion?
A)rotation and circumduction
B)lateral and medial rotation
C)extension and flexion
D)protraction and retraction
E)elevation and depression

Question

Quizplus · Accepted Answer

The "yes" motion involves extension and flexion of the head at the neck, with the head tilted back and then brought forward again.

Your Friend Nods Back and Forth to You,making the "Yes