Muscles of the head Flashcards
Which muscle extend the head and neck?
Trapezius
Which muscle Stabilizes, elevates, retracts and depresses the scapula
Trapezius
How does the trapezius Stabilizes, elevates, retracts and depresses the scapula
depends on which fibers contract
In which directions does the trapezius have fibers?
Superior, transverse, inferior
The trapezius also helps to rotate the _____
head
Which muscle creates flexion of the head when both sides are contracted?
Sternocleidomastoid
If you contract on one side, you bring your head down and over, this muscle tilts the head forward with head turned to the opposite side
Sternocleidomastoid
Like the trapezius, the sternocleidomastoid helps rotate the ______
head
Which muscle raises the ear?
Superior auricularis
Which muscle moves the ear back?
Posterior auricularis
Which muscle moves the ear forward?
Anterior auricularis
Which muscle pulls the scalp forward?
Frontalis
This muscle creates horizontal forehead wrinkles
Frontalis
This muscle raises the eyebrows
Frontalis
This muscle retracts the scalp
Occipitalis
This muscle fixes the galea so that the frontalis can raise the eyebrows (by contracting)
Occipitalis
What is the area between the frontalis and occipitalis
Galea aponeurotica
Which muscles lie in the scalp and face, just deep to the skin?
The muscles of facial expression
Which muscles insert into the skin and have a tendency to merge into each other?
The muscles of facial expression
Which muscle tenses the skin of the neck?
Platysma
Which muscle pulls the lower lip down, and the angle of the mouth down, widens the mouth?
Platysma
Which muscle draws eyebrows medially and downwards?
Corrugator supercilii
What is the prime frowning muscle of the eyes?
Corrugator supercilii
Which muscle creates vertical wrinkles?
Currugator supercilii
Which muscle closes the eye?
Orbicularis oculi
Which muscle compresses lacrimal gland to aid in flow of tears?
Orbicularis oculi
Which muscle raises upper eyelid, opens the eye?
Levator palpebrae superioris
Which muscle draws the angle of the mouth upwards and laterally?
Zygomaticus
What is the major muscle for smiling?
Zygomaticus
Which muscle draws the angle of the mouth laterally, but also a little up?
Risorius
Which muscle is used for laughing, horror, disdain?
Risorius
Which muscle is synergistic with the zygomaticus major?
Risorius
What is the epicranius?
Frontalis
Occipitalis
And, the galea aponeurotica
