Which of the following muscles flexes the mid/lower cervical spine and extends the upper cervical spine?
A) Sternocleidomastoid muscles
B) Anterior scalene muscles
C) Rectus capitus muscles
D) Oblique capitus muscles

Question

Quizplus · Accepted Answer

The sternocleidomastoid muscles, when acting bilaterally, flex the cervical spine at the mid and lower levels while extending the upper cervical spine. This dual action is due to their attachment points and the direction of muscle fibers, allowing for a complex movement pattern in the neck.

Which of the Following Muscles Flexes the Mid/lower Cervical Spine