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Head and Neck Anatomy
Function of Muscles in Head and Neck Created by C. Susott
72
Health Care
Professional
07/26/2008

Additional Health Care Flashcards

 


 

Cards

Term
anterior scalene
Definition

elevates the first rib during forced inspiration; flexes and laterally bends the neck

 

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Term
auricular
Definition

wiggle the ears

 

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Term
buccinator
Definition
pulls the corner of mouth laterally; presses the cheek against the teeth
Term
ciliary
Definition
relaxes the suspensory ligament of the lens
Term
constrictor, inferior pharyngeal
Definition
constricts pharyngeal cavity
Term
constrictor, middle pharyngeal
Definition
constricts the pharyngeal cavity
Term
constrictor, superior pharyngeal
Definition
constricts the pharyngeal cavity
Term
corrugator supercilii
Definition

pulls eyebrows together medially

 

Word Association:

Corrugator-Like corrugated cardboard (ridges)

supercilii- SUPER SILLY!

Term
cricothyroid
Definition
draws the thyroid cartilage forward, lengthening the vocal ligaments
Term
depressor anguli oris
Definition
pulls the corner of the mouth downward
Term
depressor labii inferioris
Definition
depresses the lower lip
Term
depressor septi
Definition
depresses the nasal septum; involved in flaring the nostrils
Term
digastric
Definition
elevates the hyoid bone; depresses the mandible
Term
dilator pupillae
Definition
dilates the pupil
Term
epicranius
Definition
elevates the eyebrows and wrinkles the forehead
Term
frontalis
Definition
elevates the eyebrows and wrinkles the forehead
Term
geniohyoid
Definition
elevates the hyoid bone; depresses the mandible
Term

inferior oblique

Definition
elevates and abducts the corneal part of the eye; rotates the superior pole of the iris laterally; when the eye is adducted, this muscle elevates the cornea
Term
inferior rectus
Definition
depresses and adducts the corneal part of the eyeball; rotates the superior pole of the iris laterally
Term
lateral pterygoid
Definition
protracts the mandible; opens the mouth; active in grinding actions of chewing
Term
lateral rectus
Definition
abducts the corneal part of the eyeball
Term
levator anguli oris
Definition
elevates the angle of the mouth
Term
levator labii superioris
Definition
elevates the upper lip
Term
levator labii superioris alaque nasi
Definition
elevates the upper lip and flares the nostril
Term
levator palpebrae superioris
Definition
elevates the upper eyelid
Term
levator scapulae
Definition
elevates scapula
Term
longus capitis
Definition
flex the head and neck
Term
masseter
Definition
elevates the mandible
Term
medial pterygoid
Definition
elevates and protracts the mandible
Term
medial rectus
Definition
adducts the corneal part of the eyeball
Term
elevates the skin of chin
Definition
Mentalis
Term
middle scalene
Definition
elevates the first rib; flexes and laterally bends the neck
Term
mylohyoid
Definition
elevates the hyoid bone and the tongue; depresses the mandible
Term
nasalis
Definition
flattens the nose, flare the nostrils
Term
nasalis pars alaris
Definition
flares the nostrils
Term
nasalis pars transversa
Definition
flattens the nose
Term
oblique, inferior
Definition
elevates and abducts the corneal part of the eye; rotates the superior pole of the iris laterally; when the eye is adducted, this muscle elevates the cornea
Term
oblique, superior
Definition
depresses and abducts the eyeball; rotates the superior pole of the iris medially
Term
occipitalis
Definition
pulls the scalp posteriorly; elevates the eyebrows
Term
occipitofrontalis
Definition
elevates the eyebrows and wrinkles the forehead
Term
omohyoid
Definition
depresses/stabilizes the hyoid bone
Term
orbicularis oculi
Definition
closes the eyelids
Term
orbicularis oris
Definition
purses the lips
Term
platysma
Definition
draws the corners of the mouth down; it aids in depression of the mandible
Term
posterior scalene
Definition
elevates the second rib; flexes and laterally bends the neck
Term
procerus
Definition
depresses the medial corners of the eyebrows
Term
pterygoid, lateral
Definition
protracts the mandible; opens the mouth; active in grinding actions of chewing
Term
pterygoid, medial
Definition
elevates and protracts the mandible
Term
pupillae, dilator
Definition
dilates the pupil
Term
pupillae, sphincter
Definition
constricts the pupil
Term
rectus capitis anterior
Definition
flexes the head
Term
rectus capitis lateralis
Definition
laterally bends the head
Term
rectus, inferior
Definition
depresses and adducts the corneal part of the eyeball; rotates the superior pole of the iris laterally
Term
rectus, lateral
Definition
abducts the corneal part of the eyeball
Term
rectus, medial
Definition
adducts the corneal part of the eyeball
Term
rectus, superior
Definition
elevates and adducts the eyeball; rotates the superior pole of the iris medially
Term
risorius
Definition
draws the corner of the mouth laterally
Term
scalene, anterior
Definition

elevates the first rib during forced inspiration; flexes and laterally bends the neck

 

Subclavian artery passes behind it

Subclavian vein passes in front of it

Term

scalene, middle

(Scalenus Medius)

Definition

elevates the first rib; flexes and laterally bends the neck

 

Brachial plexus and subclavian artery emerge between the scalenus medius and anterior

Term

scalene, posterior

(Scalenus Posterior)

Definition
elevates the SECOND rib during forced inspiration; flexes and laterally bends the neck
Term
sphincter pupillae
Definition
constricts the pupil
Term
splenius
Definition
extends and laterally bends neck and head; rotates head to same side
Term
sternocleidomastoid
Definition
draws the mastoid process down toward the same side which causes the chin to turn up toward the opposite side; acting together, the muscles of the two sides flex the neck
Term
sternohyoid
Definition
depresses/stabilizes the hyoid bone
Term
sternothyroid
Definition
depresses/stabilizes the hyoid bone
Term
stylohyoid
Definition
elevates and retracts the hyoid bone
Term
superior oblique
Definition
depresses and abducts the eyeball; rotates the superior pole of the iris medially
Term
superior rectus
Definition
elevates and adducts the eyeball; rotates the superior pole of the iris medially
Term
temporalis
Definition
elevates the mandible; retracts the mandible (posterior fibers)
Term
thyrohyoid
Definition
elevates the larynx; depresses/stabilizes the hyoid bone
Term
zygomaticus major
Definition
elevates and draws the corner of the mouth laterally
Term
zygomaticus minor
Definition
elevates the upper lip
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