muscle causes flexion neck is
Neck muscles are bodies of tissue that produce motion in the neck when stimulated. The muscles of the neck run from the base of the skull to the upper back and work together to bend the head and assist in breathing.The motion of the muscles of the neck are divided into four categories: rotation, lateral flexion, flexion, and hyperextension.he muscles of the neck run from the base of the skull to the upper back and work together to bend the head and assist in breathing.