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Gross Anatomy > Neck > Flashcards

Neck Flashcards

0
Q

What is the sternocleidomastoid superior attachment?

A

Lateral surface of mastoid process of temporal bone and lateral half of superior nuchal line

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1
Q

Where is the sternocleidomastoid inferior attachment?

A

Sternal head:anterior surface of manubrium of sternum

Clavicular head:superior surface of medial third of clavicle

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2
Q

What is the innervation of the sternocleidomastoid?

A

Spinal accessory nerve XI, C2, C3 (pain and proprioception)

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3
Q

What is the action of the sternocleidomastoid?

A

Laterally flex neck, extends neck, flex cervical vertebrae

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4
Q

What is the origin of the anterior scalene?

A

Anterior tubercles of transverse processes of C3-C6

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5
Q

What is the insertion of the anterior scalene?

A

1st rib

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6
Q

What is the innervation of the anterior scalene?

A

Cervical spinal nerves C4-C6

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7
Q

What are the main actions of the anterior scalene?

A

Flex neck laterally, elevate rib during forced inspiration

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8
Q

Phrenic nerve?

A

C3,C4,C5 keep the man alive

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9
Q

What is the origin of the middle scalene?

A

Posterior tubercles of transverse processes of C4-C7

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10
Q

What is the insertion of the middle scalene?

A

Superior surface 1st rib, posterior to groove for subclavian artery

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11
Q

What is the innervation for the middle scalene?

A

Anterior rami of cervical spinal nerves

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12
Q

What is the main actions of the middle scalene?

A

Flexes neck laterally, elevate 1st rib during forced inspiration

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13
Q

What is the origin of the posterior scalene?

A

Posterior tubercles of transverse processes of C4-C6

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14
Q

What is the insertion of the posterior scalene?

A

External border of 2nd rib

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15
Q

What is the innervation of the posterior scalene?

A

Anterior rami of cervical spinal nerves C7 and C8

16
Q

What are the posterior scalene main actions?

A

Flexes neck laterally, elevates 2nd rib during forced inspiration

17
Q

What is the anterior portion of the lateral cervical triangle?

A

posterior border of SCM

18
Q

What is the posterior portion of the lateral cervical triangle?

A

anterior border of trapezius

19
Q

What is the superior portion of the lateral cervical triangle?

A

merging of SCM and trapezius

20
Q

What is the inferior portion of the lateral cervical triangle?

A

clavicle (between SCM and trapezius)

21
Q

What is roof of the lateral cervical triangle?

A

investing layer of deep cervical fascia; platysma

22
Q

What is the floor of the lateral cervical triangle?

A

muscles covered by prevertebral layer of deep cervical fascia

Gross Anatomy (16 decks)

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