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muscles of the neck
muscles of the neck
39
Anatomy
Professional
06/08/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Platysma
Definition

origin:  superficial fascia over deltoid and pec major

 

insertion: mandible; skin over mandible

 

facial nerve

 

depresses lower jay and lip and angle of mouth

Term
Sternocleidomastoid
Definition

origin:  manubrium, medial one third of clavicle

 

insertion:  mastoird process lateral half of sup. nuchal line

 

CN XI, C2-C8 sensory

 

turns face toward oppositte side, flex head

 

Term

anterior digastric

 

Definition

origin:  digastric fossa of mandible

 

insertion:  intermediate tendon attached to hyoid

 

mylohyoid n. of trigeminal n.

 

elvates hyoid and floor of mouth, depresses mandible

Term
posterior digastric
Definition

origin:  mastoid notch

 

insertion:  intermediate tendon attached to hyoid

 

facial n.

 

elevates hyoid and floor of mouth; depresses mandible

Term
mylohyoid
Definition

origin:  mylohyoid line of mandible

 

insertion:  median raphe and body of hyoid

 

mylohyoid n. of trigeminal n.

 

elevates hyoid and floor of mouth; depresses mandible

Term
stylohyoid
Definition

origin:  styloid process

 

insertion:  hyoid

 

facial n.

 

elevates hyoid

Term
geniohyoid
Definition

origin:  genial tubercle of mandible

 

insertion:  hyoid

 

C1 via hypoglossal n.

 

elevates hyoid and floor of mouth

Term
sternohyoid
Definition

origin:  manubrium and medial end of clavicle

 

insertion:  hyoid

 

ansa cervicalis

 

depresses hyoid and larynx

Term
sternothyroid
Definition

origin:  manubrium; 1st costal cartilage

 

insertion:  oblique line of thyroid cartilage

 

ansa cervicalis

 

depresses hyoid and larynx

Term
thyrohyoid
Definition

oirgin:  oblique line of thyroid cartilage

 

insertion:  body and greater horn of hyoid

 

C1 via hypoglossal n.

 

depresses hyoid and elevates larynx

Term
inferior belly omohyoid
Definition

origin:  medial lip of suprascapular notch and suprascapular ligament

 

insertion:  intermediate tendon

 

ansa cervicalis

 

depresses and retracts hyoid and larynx

 

 

Term
superior belly omohyoid
Definition

origin:  intermediate tendon

 

insertion:  body of hyoid

 

ansa cervicalis

 

depresses and retracts hyoid and larynx

Term
anterior scalene
Definition

origin:  transverse process C3-C6

 

insertion:  scalen tubercle 1st rib

 

spinal n. C5-C8

 

elevates 1st rib and bends neck

Term
middle scalene
Definition

origin:  transverse processes C2-C7

 

insertion:  upper surface of 1st rib

 

spinal n. C5-C8

 

elevates first rib; bends neck

Term
posterior scalene
Definition

origin:  transverse processes C4-C6

 

insertion:  outer surface of 2nd rib

 

spinal n. C6-C8

 

elevates second rib; bends neck

Term
longus capitis
Definition

origin:  transverse process C3-C6

 

insertion:  basilar part of occiptial bone

 

spinal n. C1-C4

 

flexes and rotates head

Term
longus cervicis
Definition

origin:  transverse processes C3-T3

 

insertion:  anterior tubercle of atlas; bodies of C2-C4; transverse process C5-C6

 

spinal n. C2-C6

 

flexes and rotates neck

Term
rectus captis anterior
Definition

origin:  lateral mass of atlas

 

insertion:  basilar part of occipital bone

 

spinal n. C1-C2

 

Flexes and rotates head

Term
rectus capitis lateralis
Definition

origin:  transverse processof atlas

 

insertion:  jugular process of occiptial bone

 

spinal n. C1-C2

 

flexes head laterally

Term
Occipitofrontalis
Definition

origin:  superior nuchal line; upper orbitla margin

 

insertion:  epicranial aponeurosis

 

facial n.

 

elevates eyebrows:  wrinkles forehead

Term
corrugator supercilli
Definition

origin:  medial supraorbital margin

 

insertion:  skin of medial eyebrow

 

facial n.

 

draws eyebrows downward medially

 

(frowning muscle)

Term
orbicularis oculi
Definition

origin:  medial orbital margin; medial palpebral ligament; lacrimal bone

 

insertion:  skin and rim of orbit; tarsal plate; lateral palpebral raphe

 

facial n.

 

closes eyelids tightly

Term
procerus
Definition

origin:  nasal bone and cartilage

 

insertion:  skin b/t eyebrows

 

facial n.

 

wrinkles skin over bones

 

(sadness)

Term
nasalis
Definition

origin:  maxila

 

insertion: ala of nose

 

facial n.

 

draws ala of nose toward septum

Term
orbicularis oris
Definition

origin:  maxilla

 

insertion:  skin of lip

 

facial n.

 

closes lips

Term
levator anguli oris
Definition

origin:  canine fossa of maxilla

 

insertion:  angle of mouth

 

facial n.

 

elevates angle of mouth medially

 

(disgust)

Term
levator labii superioris
Definition

origin:  frontal process of maxilla

 

insertion:  skin of upper lip

 

facail n.

 

elevates uper lip; dilates nares

 

(disgust)

Term
levator labii superioris alaeque nasi
Definition

orign:  frontal process of maxilla

 

insertion:  skin of upper lip

 

facial n.

 

elevates ala of nose and upper lip

Term
zygomaticus major/minor
Definition

origin:  zygomatic arch

 

insetion:  angle of mouth

 

facial n.

 

draws angle of mouth backward and upward

Term
depressor labii inferioris
Definition

origin:  mandible below mental foramen

 

insertion:  orbicularis oris and skin of lower lip

 

facial n.

 

depresses lower lip

Term
depressor anguli oris
Definition

origin:  oblique line of mandible

 

insertion:  angle of mouth

 

facial n.

 

depresses angle of mouth

 

(frowning)

Term
Risorius
Definition

oirgin:  fascia over masseter

 

insertion:  angle of mouth

 

facial n.

 

retracts angle of mouth

 

(smile)

Term
mentalis
Definition

origin:  incisive fossa of mandible

 

insertion:  skin of chin

 

facial n.

 

elevates and protrudes lower lip

Term
buccinator
Definition

origin:  mandible; alveolar processes

 

insertion:  angle of mouth

 

facial n.

 

presses cheek to keep food b/t molars

 

 

Term
auricularis anterior, superior, and posterior
Definition

origin:  temporal fascia (anterior); epicranial aponeurosis (superior); mastoid process (posterior)

 

insertion:  respective sides of auricle

 

facial n.

 

retract and elevate ear

Term
temporalis
Definition

origin:  termporal fossa

 

insertion:  coronoid process and ramus

 

trigeminal V3 mandibular branch

 

elevates; retracts mandible

Term
masseter
Definition

origin:  lower border and medial surface of zygomatic arch

 

insertion:  lateral coronoid process, ramus and angle of mandible

 

trigeminal V3 mandibular branch

 

elevates mandible

Term
lateral pterygoid
Definition

origin:  lateral side of lateral pterygoid plate of sphenoid

 

insertion:  neck of mandible; articualr disk, TMJ capsule

 

Trigeminal V3 mandibular branch

 

depresses mandible; opens jaw

Term
medial pterygoid
Definition

origin:  medial side of lateral pterygoid plated of sphenoid

 

insertion:  medial surface of angle and ramus of mandible

 

trigeminal V3 mandibular branch

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