Muscles of the Face and Neck

spinalis

extension and lateral flexion of vertebral column

longissimus

extension and lateral flexion of vertebral column

iliocostalis

extension and lateral flexion of vertebral column
O: ilium
I: ribs

platysma

depresses corner of mouth

sternocleidomastoid

rotates and flexes head
O: sternum, clavicle
I: mastoid process

trapezius

elevation, depression, and adduction of scapula
O: thoracic vertebrae
I: scapula

semispinalis capitis

extend head
O: cervical vertebrae
I: occipital bone

splenius capitis

extend head
O: cervical vertebrae
I: mastoid process

levator scapulae

elevates scapula
O: cervical vertebrae
I: scapula

scalenes

lateral flexion of neck
O: cervical vertebrae
I: ribs 1-2

omohyoid

depresses hyoid bone
O: scapula
I: hyoid bone

sternohyoid

depresses hyoid bone
O: manubrium
I: hyoid bone

thyrohyoid

depresses hyoid bone
O: thyroid cartilage
I: hyoid bone

stylohyoid

elevates hyoid bone
O: styloid process
I: hyoid bone

digastric

depresses mandible
O: mastoid process
I: body of mandible

masseter

elevates mandible
O: zygomatic process
I: ramus of mandible

buccinator

compresses cheeks

temporalis

elevates mandible
O: temporal bone
I: coronoid process

orbicularis oris

closes mouth, puckers lips

frontalis

elevates eyebrows
O: frontal bone

occipitalis

retracts scalp
O: occipital bone

orbicularis oculi

closes eyelids

zygomaticus major

elevates corner of mouth
O: zygomatic bone