1
Paired muscles on each side of the neck arising from the clavicle and sternum and inserting into the mastoid process of the temporal bone both acting to flex the neck or rotation
2
Fibers run in circles around the eyes for blinking, squinting and winking
3
The circular muscle of the lips that allows closing of the mouth
4
Extends from the corner of the mouth to the cheekbone and allows smiling
5
Runs horizontally across the cheek and inserts into the orbicularis oris for flattening the cheek
6
Overlies the temporal bone and is synergist for closing the jaw
7
Covers the frontal bone running from the cranial aponeurosis to the skin of eyebrows for wrinkling of the forehead.
8
Covers the lower jaw from the zygomatic process of the temporal bone to the mandible for closing the jaw
9
Is a single sheet like muscle covering the anterolateral neck originating in the chest and inserting into the area around the mouth producing downward sag of the mouth
