Muscles of the Head and NeckOnline version Labeling, actions, origins, and insertions and head and neck muscles by Paul Uk 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Explanation 1 Draws scalp anteriorly; raises eyebrows 2 Closes eyelid 3 Origin: Zygomatic Bone Insertion: Angles/ Corners of mouth Action: Elevates angles of mouth (smiling) 6 Elevates and protrudes lower lip (pouting) 7 depresses angles of mouth (frowning) 8 elevates clavicle and scapula 9 Origins: Sternum and clavicle Insertion: Mastoid process of temporal Actions: Abducts head; neck lateral flexion; rotates head; neck rotation; flexes head; neck flexion 10 Elevates mandible (chewing) 11 Origins: Maxilla and mandible Insertion: orbicularis oris Actions: Compresses cheek; whistling; sucking