Muscles LAB 2 Flashcards by krjybc .

Q

Frontalis Belly, Epicranius

A

Action: pulls scalp forward; wrinkles forehead and raises eyebrows

Innervation: Temporal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Corrugator Supercilii

A

Action: Draws eyebrow medial and down (forms vertical furrow between eyebrows)

Innervation: Temporal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Superior Auricular

A

Action: N/A

Innervation: temporal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Temporoparietalis

A

Action: N/A

Innervation: temporal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Orbital Part, Orbicularis Oculi

A

Action: N/A

Innervation: temporal and zygomatic branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Peripheral Part, Orbicularis Oculi

A

Action: N/A

Innervation: temporal and zygomatic branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Procerus

A

Action: depresses eyebrow medially

Innervation: Superior buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Compressor Naris

A

Action: compress cartilage at bridge of nose

Innervation: Superior buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Dilatator Naris

A

Action: widens, dilates nostrils and anterior nasal aperture

Innervation: superior buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Depressor Septi

A

Action: widens nostrils

Innervation: superior buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Levator Labii Superioris

A

Action: raises and everts upper lip

Innervation: buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Levator Labii Superioris Alaeque Nasi

A

Action: raises and everts upper lip; dilates nostril

Innervation: buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Zygomaticus Minor

A

Action: raises upper lip; produces nasolabial groove

Innervation: buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Zygomaticus Major

A

Action: draws angle of mouth up and out

Innervation: buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Levator Anguli Oris

A

Action: raises angle of mouth; produces nasolabial groove

Innervation: buccal branches of facial nerve

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Buccinator

A

Action: compress cheeks against teeth

Innervation: buccal branches of facial nerve

Q

Orbicularis Oris

A

Action: close mouth; purse and protrude lips

Innervation: buccal and mandibular branches of facial nerve

Q

Risorius

A

Action: draws back angle of mouth

Innervation: buccal and mandibular branches of facial nerve

Q

Mentalis

A

Action: raises and protrudes lower lip

Innervation: mandibular branches of facial nerve

Q

Depressor Labii Inferioris

A

Action: draws lower lip down

Innervation: mandibular branches of facial nerve

Q

Depressor Anguli Oris

A

Action: draws corner of mouth down and out

Innervation: mandibular branches of facial nerve

Q

Levator Palpebra Superioris

A

Action:elevates upper eyelid

Innervation: oculomotor nerve

Q

Superior Rectus

A

Action: elevates and adducts the cornea; intorsion

Innervation: oculomotor nerve

Q

Inferior Rectus

A

Action: depress and adducts the cornea; extorsion

Innervation: Oculomotor nerve

Medial Rectus

Action: adducts cornea Innervation: Oculomotor nerve

Inferior Oblique

Action: elevates and abducts the cornea; extorsion Innervation: Oculomotor nerve

Lateral Rectus

Action: abducts cornea Innervation: Abducent nerve

Superior Oblique

Action: depress and abducts cornea; intorsion Innervation: Trochlear nerve

Posterior Auricular

Action: N/A Innervation: posterior auricular branch of facial nerve

Occipitalis Belly, Epicranius

Action: N/A Innervation: posterior auricular branch of facial nerve

Temporalis

Action: elevate and retract mandible Innervation: anterior and posterior deep temporal branches, mandibular division, trigeminal nerve

Masseter

Action: elevate and protract mandible Innervation: masseteric branch, mandibular division, trigeminal nerve

Medial Pterygoid

Action: elevate and protract mandible; assist in gliding or rotary movement Innervation: medial pterygoid branch, mandibular division, trigeminal nerve

Lateral Pterygoid

Action: protracted mandible; pulls disc forward; depress chin and assist in gliding or rotary movement Innervation: later Pterygoid branch, mandibular division, trigeminal nerve

Anterior Scalene

Action: N/A Innervation: ventral rami C2-C6

Middle Scalene

Action: N/A Innervation: ventral rami C3-C8