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muscles of facial expression-orbital, auricular, scalp, neck
origin, insertion, function, innervation
25
Anatomy
Graduate
04/11/2010

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Cards

Term
what is origin of the the orbicularis oculi?
Definition

frontal bone of the maxilla

lacrimal boen a medial palpebral ligament

Term
what is the insertion point of the orbicularis oculi?
Definition
lateral palpebral raphe
Term
what are the actions of the orbicularis oculi
Definition

forcible closure of the eye

aids the flow of tears

closure of the eyelids (gently blinking)

Term
what is the innervation of the orbicularis oculi
Definition
temporal and zygomatic branches of the facial nerve
Term
what is the origin of the anterior auricular muscle?
Definition
temporal fascia
Term
what is the insertion point of the anterior auricular muscle
Definition
anterior helix of the ear
Term
what is the action of the anterior auricular muscle
Definition
draws auricular anteriorly
Term
what is the innervation for anterior auricular muscle
Definition
temporal branch of the VII
Term
what is the origin of the superior auricular muscle
Definition
superior temporal fascia
Term
what is the insertion of the superior auricular muscle
Definition
superior helix of the ear
Term
what is the action of the superior auricular muscle
Definition
draws the auricle superiorly
Term
what is the innervation for the superior auricular muscle
Definition
temporal branch fo VII
Term
what is the origin of the posterior auricular muscle
Definition
mastoid process
Term
what is the insertion of the posterior auricular muscle
Definition
posterior part inferior ear?
Term
what is the action of the posterior auricular muscle
Definition
draws the auricle posteriorly
Term
what is the innervation of the posterior auricular muscle
Definition
auricular branch of VII
Term
what is the origin of hte frontalis muscle
Definition

procerus

corrugator supercilli

orbicularis ocuculi

Term
what is the insertion of the frontalis muscle
Definition
galea aponeurosis to occipitalis
Term
what is the action of the frontalis muscle
Definition

elevates the eyebrows

wrinkles the forehead

wrinkles the back of the head

Term
what is the innervation of the frontalis muscle
Definition
temporal branch of VII
Term
what muscle has NO bony attachment
Definition
frontalis
Term
what is the origin of the platysma
Definition
deltopectoral fascia
Term
what is he insertion of the platysma
Definition

inferior border of the mandible

skin of the neck and lower face

Term
what is the action of the platysma muscle
Definition

wrinkles the skin of the neck

"lizard grimace"

Term
what is the innervation for the platysma muscle
Definition
cervical branch of VII
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