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MS 2 > Lecture 22: MM of the F, J, E ACTIONS > Flashcards

Lecture 22: MM of the F, J, E ACTIONS Flashcards

1
Q

What is the action of Frontalis?

A

Draws scalp anteriorly
Raises eyebrows and wrinkles skin of forhead horizontally

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2
Q

What is the action of Occipitalis?

A

Draws scalp posteriorly and aids in wrinkling forhead

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3
Q

What is the action of Auriculares?

A

Superior: elevates pinna
Anterior: draws pinna forward
Posterior: draws pinna backward

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4
Q

What is the action of Orbicularis Oculi?

A

Closes eyelids

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5
Q

What is the action of Corrugator Supercilii?

A

Draws eyebrows inferior and medial causing verticle wrinkles in forhead (as in frowning)

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6
Q

What is the action of Procerus?

A

Draws medial angle of the eyebrows down and pulls the skin of the nose up, as in scrunching up the nose.

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7
Q

What is the action of Levator Palpebrae Superioris?

A

Elevates upper eyelid (opens eye)

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8
Q

What is the action of Nasalis?

A

Depresses cartilagenous parts of the nose (transverse part) and flares nostrils.
*Fibre direction superomedial thus pulls nostrils laterally

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9
Q

What is the action of Levator Labii Superioris?

A

Elevates upper lip

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10
Q

What is the action of Levator Labii Superioris Alaeque Nasi?

A

Elevates upper lip

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11
Q

What is the action of Zygomaticus Minor?

A

Elevates upper lip

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12
Q

What is the action of Zygomaticus Major?

A

Elevates the angle of the mouth and pulls it laterally (smiling and laughing muscle)

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13
Q

What is the action of Orbicularis Oris?

A

Closes lips
compresses lips
protrudes lips
shapes lips

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14
Q

What is the action of Risorius?

A

Draws angle of mouth laterally (creating flat line with the mouth)

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15
Q

What is the action of Buccinator?

A

Compresses cheek

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16
Q

What is the action of Depressor Anguli Oris?

A

Draws the corners of the mouth down
Fibre direction superomedial

17
Q

What is the action of Depressor Labii Inferioris?

A

Depresses lower lip
Making sad face

18
Q

What is the action of Mentalis?

A

Elevates and protrudes lower lip (pouting muscle)

19
Q

What is the action of Platysma?

A

Depresses lower jaw and lip
Tenses and ridges the skin of the neck

20
Q

What is the action of Superior Rectus?

A

Raises the cornea upward and medially

21
Q

What is the action of Inferior Rectus?

A

Depresses the cornea downward and medially

22
Q

What is the action of Medial Rectus?

A

Rotates the cornea so the cornea turns medially

23
Q

What is the action of Lateral Rectus?

A

Rotates the eye so the cornea faces laterally

24
Q

What is the action of Superior Oblique?

A

Rotates the eye so the cornea looks downward and laterally

25
Q

What is the action of Inferior Oblique?

A

Rotates the eye so the cornea looks upward and laterally

MS 2 (39 decks)

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