| Muscle |
Attachment 1 (origin) |
Attachment 2 (insertion) |
Action 1 |
Action 2 |
Other actions |
Innervation |
| Frontalis |
Epi Cranial Coronal Suture |
Skin over the eyebrow above the eye and nose |
Wrinkles forehead |
Raises eyebrow |
|
Facial Nerve (cn 7) |
| Orbicularis oculi |
Frontal bone |
Frontal bone |
Closes and squints eyes |
|
|
Temporal and Zygomatic branch of Facial Nerve (cn 7) |
| Obicularis oris |
fascia surrounding the mouth (encircles the mouth) |
Lips and fascia surrounding the mouth (same as attachment 1) |
Closes the mouth "kissing muscle" |
Protraction of the lips |
|
Mandibular branch of Facial Nerve (cn 7) |
| Buccinator |
Maxilla and mandible |
Orbicularis oris on corner of mouth |
Compression of the cheeks (against the teeth) |
blow bubbles |
|
Buccal branch of Facial Nerve (cn 7) |
| Zygomaticus muscles |
Zygomatic bone |
Tissue in the corners of the mouth |
Elevates the corners of the mouth ("smiling" muscle) |
|
|
Buccal branches of Facial Nerve (cn 7) |
| Levator labii superioris |
Maxilla and zygomatic bone |
Upper lip |
Elevates upper lip |
|
|
Buccal branches of Facial Nerve (cn 7) |
| Depressor labii inferioris |
Mandible |
Lower lip |
Depresses lower lip |
|
|
Buccal branches of Facial Nerve (cn 7) |
| Masseter |
Zygomatic arch |
Coronoid process of mandible |
Elevates mandible |
Protraction of the mandible |
Retraction of the mandible |
Trigeminal Nerve (cn 5) |
| Temporalis |
Temporal fossa |
Coronoid process and ramus of mandible |
Elevates mandible |
Retracts mandible |
|
Temporal and Trigeminal Nerve (cn 5) |
| Medial pterygoid |
Palatine bone and Sphenoid bone |
Mandible |
Elevates jaw |
Protracts jaw |
assist mandidble in chewing |
Trigeminal Nerve (cn 5) |
| Lateral pterygoid |
Sphenoid bone |
Mandible and temporomandibular joint |
Protracts jaw |
Moves jaw laterally (contralateral deviation of the mandible) |
|
Trigeminal Nerve (cn 5) |
| Occipitalis |
Occipital and temporal bones |
Galea aponeurotica anteriorly |
Draws scalp posteriorly |
|
|
Facial Nerve (cn 7) |
| Risorius |
Masseter muscle |
corners of the mouth |
retracts the angle of the mouth |
fish face muscle |
(blank) |
Buccal branch of facial nerve |
| Platysma |
Pectorlis major and Deltiod |
Mandible |
draws mouth downward, skin over clavicle up |
pout, show strain in neck |
(blank) |
Cervical branch of Facial Nerve |
| Corrugator |
superciliary arch frontal bone |
skin sbove the eyebell, super orbital margin |
move eyebrow up and down |
Dr. Sprak |
(blank) |
Temporal branch of facial nerve |
| Nasalis |
maxilla |
side of the nose bridge |
help open and close nasal |
(blank) |
(blank) |
Buccal branch of Facial Nerve |
Buen Viaje lv.2 ch 8
