Muscle Notes #4 (Muscles of the Head)

• Two paired muscles

• Encircle and close the eyes, allows blinking.

• Two paired muscles

• Anterior of the head between the eye and the mouth

• Origin: Zygomatic bone

Encircles the mouth, allows puckering and kissing.

• Two paired muscles

• In the deep cheek, molar region of the maxilla

• Presses lips and cheeks against teeth, allows blowing and whistling

Flexes head toward throax when both sides contract (prayer muscle), turns head to one side (only when R or L contract alone).

• Two muscles paired

• Origin: Manubrium of the sternum

• Insertion: Mastoid process of the temporal bone

• Elevates the jaw

• 2 paired muscles

• On the temporal bone, above the ear

• Elevates the jaw

• Lateral, superficial cheek

• 2 paired muscles

Superficial broad sheet of muscle fibers extending from the collarbone to the jaw.

• ¨Shaving muscle¨