1. FACIAL AND NECK MUSCLES
DR. J.K. GERALD, (MD, MSc.)

2. Occipitofrontalis muscle
1. Muscle of scalp:
Galea aponeurotica
Fibers of orbicularis oculi
Elevetes eyebrows, as in surprise look
Occipitofrontalis muscle
Occipital bone
Galea aponeurotica
Draws scalp backwards

3. 2. Auricularis posterior
2. Muscles of the auricle:
3. Auricularis superior
1. Auricularis anterior 3 1 2
Galea aponeurotica
Vicinity of the outer ear
Wiggles ear
2. Auricularis posterior

4. 2. Corrugator supercilii
2. Muscles of the eyelids:
2. Corrugator supercilii 2
Brow ridge of frontal bone
Skin of eye brow
Pulls eyebrows together 1
1. Orbucularis oculi
Medially from medial palpebral ligament
Around orbital margin & in eyelids
Close eyelid

5. 1. Levator labii superioris
5. Muscles around the mouth: 2
Upper maxilla
Skin of upper lip
Elevates angle of the mouth
2. Levator anguli oris
1. Levator labii superioris 1
3. Orbicularis oris
Infraorbital patr of Maxilla
Skin of upper lip
Raises lateral aspect of upper lip 3
Sphincter muscle within lips
Encircles mouth
Close mouth

6. 5 6 7 5. Muscles around the mouth: 7. Risorius 5. Zygomaticus minor
Zygomatic bone
Skin at angle of mouth
Draws angle of mouth upwards
5. Zygomaticus minor 5 6
6. Zygomaticus major 7
7. Risorius
Fascia over masseter
Skin at angle of mouth
Draw angle of mouth laterally

7. 1 6. Muscle of the neck: Platysma Fascia of upper thorax
Mandible & skin of lower lip
Draws outer lower lip down
Platysma 1

8. Sternum and clavicle
draw head towards shoulder
Sternocleidomastoid

9. Digastric muscle
Sternohyoid
Manubrium
Body of hyoid
Depresses hyoid

10. Digastric muscle
Mandible – mastoid process
of temporal bone to hyoid
Depress mandible—raise hyoid

11. Mylohyoid
Internal surface of mandible
Hyoid bone
Elevates floor of mouth

12. THE END