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Anatomy > Muscles of the Neck (Anterior/Posterior) > Flashcards

Muscles of the Neck (Anterior/Posterior) Flashcards

1
Q

Infrahyoid Mm (Actions)

A

Depress hyoid

Depress & elevate thyroid cartilage

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2
Q

Digastricus (Actions)

A

Depress & Retracts mandible

I/O elevates hyoid

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3
Q

Other Suprahyoid Mm - Stylohyoid, Mylohyoid, Geniohyoid (Actions)

A

Elevate & Retract hyoid

Protract hyoid

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4
Q

Longus Colli (Actions)

A

Flex & rotate head/neck

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5
Q

Longus Colli (Nerve)

A

Ventral rami of spinal Nn

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6
Q

Longus Capitis (Actions)

A

Flex & rotate head/neck

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7
Q

Longus Capitis (Nerve)

A

Ventral rami of spinal Nn

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8
Q

Platysma (Actions)

A

Tenses skin of neck
Depresses angle of mouth
Depresses mandible

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9
Q

Platysma (Nerve)

A

Facial N V2

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10
Q

Levator Scapulae (Origin and Insertion)

A

O: transverse processes of cervical vertebrae 1-4
I: Sup angle of scapula

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11
Q

Levator Scapulae (Actions)

A

Elevates scapula
Rotates scapula downward
Lat flexes neck

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12
Q

Levator Scapulae (Nerve)

A

Dorsal scapular N

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13
Q

Scalenus Anterior (Actions)

A

Flexes, Lat flexes, & rotates neck

I/O expands ribrage

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14
Q

Scalenus Anterior (Nerve)

A

Cervical plexus

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15
Q

Scalenus Medius & Posterior (Actions)

A

Flexes, Lat flexes, & rotates neck

I/O expands ribcage

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16
Q

Scalenus Medius & Posterior (Nerve)

A

Cervical plexus

17
Q

Sternocleidomastoid (Actions)

A

Flexes, lat flexes, & rotates neck

I/O expands ribcage

18
Q

Sternocleidomastoid (Nerve)

A

Spinal Accessory N XI

19
Q

Splenius Capitis (Actions)

A

Extends, rotates, & laterally flexes head/neck

20
Q

Splenius Capitis (Nerve)

A

Dorsal rami of spinal Nn

21
Q

Rectus Minor (Actions)

A

Extend & rotate head

22
Q

Rectus Minor (Nerve)

A

suboccipital N

23
Q

Rectus Major (Actions)

A

Extend & rotate head

24
Q

Rectus Major (Nerve)

A

Suboccipital N

25
Q

Superior Oblique (Actions)

A

Extend & rotate head

26
Q

Superior Oblique (Nerve)

A

Suboccipital N

27
Q

Inferior Oblique (Actions)

A

Extend & rotate head

28
Q

Inferior Oblique (Nerve)

A

Suboccipital N

Anatomy (13 decks)

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