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occipitofrontalis ms.
facial nerve
elevate eyebrows
orbicularis oculi ms.
facial nerve
close eyelids
platysma ms.
facial nerve
depress mandible, tense skin of lower face and neck
orbicularis oris ms. 
facial nerve
compress and protrude (purse) lips
levator anguli oris ms.
facial nerve
elevate corners of mouth
depressor anguli oris ms.
facial nerve
depress angles of mouth
depressor labii inferioris ms.
facial nerve
drap lip inferolaterally
zygomaticus major ms.
facial nerve
elevate angle of mouth superolaterally (smiling)
risorius ms.
facial nerve
draw corner of mouth laterally (grinning)
levator labii superioris
facial nerve
raise and evert upper lip
masseter
mandibular division of trigeminal nerve
elevate and protrude jaw
buccinator
facial nerve
keep cheek taut
inferior oblique ms. of eye
oculomotor nerve
abduct, elevate, laterally rotate eyeball
inferior rectus ms. of eye
oculomotor nerve
depress, adduct, medially rotate eyeball
lateral rectus ms. of eye
abducent nerve
abduct eyeball
levator palpebrae superioris ms. of eye
oculomotor nerve, deep layer supplied by sympathetic fibers
elevate superior eyelid
medial rectus ms. of eye
oculomotor nerve
adduct eyeball
orbicularis oculi ms. of eye
facial nerve
close eyelids
superior oblique ms. of eye
trochlear nerve
abduct, depress, laterally rotate eyeball
superior rectus ms. of eye
oculomotor nerve
elevate, adduct, medially rotate eyeball
tensor tympani ms. of ear
mandibular division of trigeminal nerve
pull handle of malleus medially to tense the tympanic membrane
stapedius ms. of ear
facial nerve
pull stapes posteriorly, tightening anular ligament and reducing oscillatory range
levator scapulae
dorsal scapular nerve
elevate and rotate the scapula, depress glenoid cavity
omohyoid
C1-C3 by a branch of Ansa
depress, retract and steady the hyoid bone
scalenes
ventral rami of cervical spinal nerves
flex neck laterally, elevate ribs during inspiration
semispinalis capitis
dorsal rami of spinal nerves
extend head, extend and contralaterally rotate cervical/thoracic regions of vertebral column
splenius capitis
dorsal rami of spinal nerves
unilateral: laterally bend and rotate head ipsilaterally
bilateral: extend head and neck
subclavius
nerve to subclavius
anchor and depress clavicle
digastric ms.
mylohyoid nerve from inferior alveolar nerve innervates the anterior belly
facial nerve innervates the posterior belly
depress mandible, raise hyoid bone
longus capitis
ventral rami of C1-C3
flex head
longus colli
ventral rami of C2-C6
flex neck, rotates contralaterally if acting unilaterally
mylohyoid
mylohyoid nerve from inferior alveolar nerve
elevate hyoid bond, floor of mouth, and tonuge during swallowing and speaking
sternocleidomastoid
spinal accessory nerve
laterally flex neck and rotate so turned superiorly toward contralateral side
sternohyoid ms.
C1-C3 by a branch of Ansa Cervicalis
depress hyoid bone from elevated position in swallowing
sternothyroid
C2/C3 by a branch of Ansa Cervicalis
depress hyoid bone and larynx
thyrohyoid
C1 via hypoglossal nerve
depress hyoid bone, elevate larynx
temporalis ms.
facial nerve
keep cheek taut
lateral pterygoid
mandibular division of trigeminal nerve
bilaterally protrude mandible and depress chin, unilaterally move mandible side to side
medial pterygoid
mandibular division of trigeminal nerve
bilaterally elevate and protrude mandible, alternating unilaterally produce grinding motion
superior pharyngeal constrictor
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus
constrict wall of pharynx during swallowing
middle pharyngeal constrictor
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus, plus branches of external and recurrent laryngeal nerves
constrict wall of pharynx during swallowing
lower pharyngeal constrictor
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus, plus branches of external and recurrent laryngeal nerves
constrict wall of pharynx during swallowing
levator veli palatini
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus
elevate soft palate during swallowing and yawning
palatoglossus
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus
elevate posterior part of tongue
palatopharyngeus
cranial root of accessory via pharyngeal branch of vagus and pharyngeal plexus
tense soft palate, pull walls of pharynx superiorly, anteriorly and medially during swallowing
salpingopharyngeus
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus
elevate pharynx and larynx during swallowing and speaking
styloglossus
hypoglossal nerve
retract tongue
stylohyoid
facial nerve
elevate and retract hyoid bone to elongate floor of mouth
stylopharyngeus
glossopharyngeal nerve
elevate pharynx and larynx during swallowing and speaking
superior pharyngeal constrictor
cranial root of accessory nerve via pharyngeal branch of vagus and pharyngeal plexus
constrict wall of pharynx during swallowing
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