1. Set 2 Muscles Face, Head, and Neck

2. zygomaticus (major and minor)
cranial aponeurosis
Epicranius
frontalis
temporalis
orbicularis oculi
occipitalis
zygomaticus (major and minor)
buccinator
masseter
orbicularis oris
sternocleidomastoid
depressor anguli oris
Platysma

3. Sternocleidomastoid

4. Sternocleidomastoid: cleidomastoideus (clavicular head)
Origin:
Insertion:
Action:
Upper surface of clavicle (medial 3rd)
Mastoid process (temporal bone)
Pulls head from side to side and toward chest (½ yes); “prayer muscle”

5. Sternocleidomastoid: sterno-mastoid (sternal head)
Origin:
Insertion:
Action:
Manubrium (sternum)
Mastoid process (temporal bone)
Pulls head from side to side and toward chest (½ yes); “prayer muscle”

6. Platysma

7. Platysma Origin: Insertion: Action:
Fascia in upper chest (over pectoralis and deltoids)
Lower border of mandible
Draws mouth downward; look of surprise