Table 7.1 : Muscles Of The Head And Neck Flashcards by Joslin Roz

Q

Origin of frontalis

A

Gales aponeurotica

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Q

Insertion of Frontalis

A

Skin above supraorbital margin

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Q

Action of Frontalis

A

Draws scalp anteriorly; raises eyebrows; and wrinkles forehead

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Q

Origin of occipitalis

A

Mastoid and occipital

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Q

Insertion of occipitalis

A

Gales aponeurotica

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Q

Action of occipitalis

A

Draws scalp posteriorly

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Q

Origin of Orbicularis oculi

A

Orbit

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Q

Insertion of Orbicularis oculi

A

Circular path of orbit

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Q

Action of Orbicularis oculi

A

Closes eye

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Q

Origin of zygomaticus major

A

Zygomatic bone

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Q

Insertion of zygomaticus major

A

Angle of mouth

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Q

Action of zygomaticus major

A

Raises angle of mouth, as in smiling

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Q

Origin of zygomatic minor

A

Zygomatic bone

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Q

Insertion of zygomatic minor

A

Upper lip

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Q

Action of zygomaticus minor

A

Elevated upper lip and exposes maxillary teeth

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Q

Origin of Buccinator

A

Maxilla and Mandible

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Q

Insertion of Buccinator

A

Angle of mouth

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Q

Action of Buccinator

Study These Flashcards

A

Compress cheeks as in blowing or whistle

Q

Origin of Orbicularis oris

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A

Maxilla and Mandible

Q

Insertion of Orbicularis Oris

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A

Angle of mouth

Q

Action of Orbicularis Oris

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A

Closes mouth and puckers the lips

Q

Orgin of Levator Labii superioris

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A

Maxilla

Q

Insertion of Levator Labii superioris

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A

Angle of mouth

Q

Action of Levator Labii superioris

Study These Flashcards

A

Elevates upper lip

Origin of masseter

Zygomatic arch

Insertion of Masseter

Mandible

Action of masseter

Raises jaw

Origin of Temporalis

Temporal bone

Insertion of temporalis

Mandible

Action of temporalis

Elevates mandible and closes jaw

Origin of Medial Pterygoid

Inferior aspect of skull

Insertion of medial Pterygoid

Mandible

Action of medial Pterygoid

Raises jaw

Origin of lateral Pterygoid

Inferior aspect of skull

Insertion of lateral Pterygoid

Mandible

Action of lateral Pterygoid

Lower jaw

Origin of sternocleidomastoid

Sternum and clavicle

Insertion of sternocleidomastoid

Mastoid process of temporal

Action of sternocleidomastoid

Both muscles: flex head | One muscle: rotates head toward opposite shoulder

Origin of Trapezius

Skull and Vertebral column

Instertion of trapezius

Scapula

Action of Trapezius

Extends head and rotates scapula

Epicranius muscles

Frontalis | Occipitalis