Muscle | Origin | Insertion | Action |
Frontalis | Cranial aponeurosis | Skin of eyebrows | Raises eyebrows |
Orbicularis Oculi | Frontal bone and Maxilla | Tissues around eyes | Blinks and closes eye |
Corrugator Supercilii | Frontal bone | Skin of eyebrows | Draws eyebrows downward and medially |
Orbicularis oris | Mandible and Maxilla | Skin and muscle around mouth | Closes and protrudes lips |
Levator labii superioris alaeque nasi | Maxilla | Nasal cartilage and upper lip | Raises upper lip and flares nostrils |
Levator labii superioris | Maxilla | Upper lip | Raises upper lip |
Zygomaticus (major and minor) | Zygomatic bone | Skin and muscle at corner of lip | Elevates and raises the corner of lip |
Buccinator | Mandible and Maxilla | Into orbicularis oris | Flattens cheek against teeth; aids in mastication |
Temporalis | Temporal bone and Cranial aponeurosis | Mandible | Closes jaw and wiggles ears |
Masseter | Temporal bone | Mandible | Closes jaw |
Sternocleidomastoid | Sternum and Clavicle | Mastoid process of temporal bone | Flexes neck and rotates head |
Platysma | Skin of delto-pectoral region | Skin of mandible | Depresses the lower lip |
Sternohyoid | manubrium and Clavicle | Hyoid | Depresses hyoid and larynx |
Omohyoid | Superior scapula and clavicle | Hyoid | Depresses hyoid and larynx |