Which is an action of the sternocleidomastoid?
A)extension of the arm at the glenohumeral joint
B)ipsilateral rotation of the neck at the spinal joints
C)lateral flexion of the neck at the spinal joints
D)extension of the neck at the spinal joints

Question

Quizplus · Accepted Answer

The sternocleidomastoid muscle is responsible for lateral flexion of the neck at the spinal joints, among other actions.

Which Is an Action of the Sternocleidomastoid