Facial Muscles Flashcards

1
Q

All of the facial muscles get their function from what nerve?

A

VII (7)

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2
Q

Where do the facial muscles get their blood supply?

A

Usually from the facial artery

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3
Q

Are the facial muscles paired or unpaired?

A

Paired

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4
Q

Connective tissue sheet that connects one belly to the other is called?

A

Epicrainial aponeurosis

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5
Q

What connective tissue allows the scalp to move?

A

Epicrainial aponeurosis

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6
Q

The epicranius has 2 bellies what are their names?

A

Frontal belly and Occipital belly

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7
Q

The origin of the frontal belly goes where?

A

The eicrainial aponeurosis

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8
Q

The frontal belly inserts where?

A

Eyebrow and the root of the nose (superiorly placed)

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9
Q

What muscle inserts in the eyebrow and the root of the nose?

A

Frontal belly

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10
Q

The origin of the occipital belly goes where?

A

Occipital and temporal bone

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11
Q

The occipital belly inserts where?

A

Epicrainial Aponeurosis

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12
Q

What is the action of the Epicranius?

A

raise eyebrows and scalp

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13
Q

*Insert of one belly is the origin of the other belly

A

.

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14
Q

What nerve is used to control the frontal belly?

A

VII (7)

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15
Q

What nerve is used to control the occipital belly?

A

VII (7)

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16
Q

What nerve is used to control the orbicularis oculi?

A

VII (7)

17
Q

The orbital portion of the orbicularis oculi is located where?

A

around the eye

18
Q

The orbicularis oculi has how many parts?

A

2

19
Q

What are the parts of the orbicularis oculi?

A

Orbital portion & Palpebral portion

20
Q

What is the origin of the orbital portion of the orbicularis oculi?

A

Orbital rim

21
Q

What is the insertion of the orbital portion of the orbicularis oculi?

A

Skin lateral to the eye

22
Q

What is the origin of the palpebral portion of the orbicularis oculi?

A

Medial and Lateral corners of te eye

23
Q

What is the insertion of the palpebral portion of the orbicularis oculi?

A

Shared with the origin. Medial and lateral corners of the eye

24
Q

The palpebral portion of the orbicularis oculi is located where?

A

Within the orbital portion of the orbicularis oculi

25
Q

What nerve controls the corrugator supercilii?

A

Nerve VII (7)

26
Q

What is the origin of the corrugator supercilli?

A

Frontal bone (close to the midline)

27
Q

Where is the insertion of the corrugator supercilli?

A

Skin lateral to the eyebrow

28
Q

What is the action of the corrugator supercilli?

A

moves the skin of the eyebrow medial and inferior vertical. Creates the vertical wrinkles in the forehead. (furrows the brow)

29
Q

What muscle is the opposite of the corrugator supercilli?

A

Procerus

30
Q

Where is the procerus located?

A

it is the triangle muscle in between the eyebrows

31
Q

What is the origin of the procerus?

A

Nasal bone

32
Q

Where is the insertion of the procerus?

A

Skin of the forehead

33
Q

What is the action of the procerus?

A

Horizontal wrinkles of the forehead between the eyebrows