Innervation of Neck Muscles Flashcards Preview

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Flashcards in Innervation of Neck Muscles Deck (35)
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0
Q

What Superficial Branch supplies innervation to the skin of anterior neck and deep to platysma?

A

The Transverse Cervical nerve

1
Q

The Ascending Superficial branches of the Cervical Plexus come off what two vertebrae?

A

C2,C3

2
Q

The Superficial Branches of the Cervical Plexus provide what type of innervation?

A

All Sensory

3
Q

What nerves are associated with the Ascending portion of the Superficial branches within the Cervical Plexus?

A

Lesser Occipital, Greater Auricular, Transverse Cervical

4
Q

Which nerve supplies innervation to the skin of neck, scalp and posterosuperior ear?

A

The Lesser Occipital n.

5
Q

What nerve is considered descending from the Superficial Branches of the Cervical Plexus?

A

Supraclavicular nerve

6
Q

What does the Transverse Cervical nerve innervate?

A

Skin of anterior neck, deep to platysma

7
Q

What nerve supplies innervation to skin over and around parotid gland, mastoid process, inferior ear and angle of mandible?

A

The Greater Auricular n.

8
Q

The Lesser Occipital is located where in association to the Greater Auricular n.

A

Posteriorly

9
Q

The descending superficial branches of the Cervical Plexus come from what vertebrae?

A

C3 and C4

10
Q

The Supraclavicular nerve provides innervation to what structure?

A

The skin of the neck inferior to Lesser Occipital n., Greater Auricular n., and Transverse Cervical n.

11
Q

Deep branches of the Cervical Plexus are what type of innervation?

A

All Motor

12
Q

What Vertebrae supplies innervation to the Geniohyoid

A

C1

13
Q

What vertebrae are associated with the Ansa Cervicalis?

A

C1, C2 and C3

14
Q

What three muscles receive innervation solely from C1

A

Superior belly of Omohyoid, Geniohyoid, Thyrohyoid

15
Q

The Deep branches are found mostly in what triangle of the neck?

A

Anterior Triangle

16
Q

The Sternothyroid receives innervation from what vertebrae?

A

C1, C2 and C3

17
Q

What vertebrae is associated with innervation of the Thyrohyoid?

A

C1

18
Q

When C1 sends innervation to the Geniohyoid and Thyrohyoid, it travels together on what Cranial Nerve?

A

The Hypoglossal n. (CN VII)

19
Q

The Inferior root of the Ansa Cervicalis receives innervation from what vertebrae?

A

C2 and C3

20
Q

The Superior Belly of the Omohyoid receives innervation from what vertebrae?

A

C1

21
Q

The Sternohyoid receives innervation from what vertebrae?

A

C1, C2 and C3

22
Q

The Longus Capitis is innervated from what vertebrae?

A

C1,C2,C3 and C4

23
Q

Vertebrae C2-C8 provide innervation to what muscle that is NOT associated with the Ansa Cervicalis?

A

Longus Coli

24
Q

C1 and C2 are the only two vertebrae that provide innervation to what two muscles that are not associated with the Ansa Cervicalis?

A

Rectus Capitis Lateralis and Rectus Capitis Anterior

25
Q

Phrenic nerve receives majority of innervation from what vertebrae?

A

C4

26
Q

Innervation to Phrenic Nerve comes from what three vertebrae collectively?

A

C3,C4 and C5

27
Q

The middle scalene receives a portion of its innervation from what portion of the CERVICAL PLEXUS?

A

C3 and C4

28
Q

Cervical Plexus roots receive __________ communicating branches, most are from the _____________ cervical ganglion.

A

Gray, Superior

29
Q

Cervical Plexus roots also receives communicating branches with what other cranial nerves?

A

CN X (vagus) and XI (Spinal Accessory)

30
Q

Where is the Sympathetic Chain located in the neck?

A

Located in the Anterior Triangle and root of neck

31
Q

Name the chain ganglia that arises from the sympathetic chain in the cervical region that comes from C1-C4

A

Superior Cervical Ganglion

32
Q

The Middle Cervical Ganglion is associated with what vertebrae?

A

C5 and C6

33
Q

C7 and C8 are associated with what cervical chain ganglia?

A

Inferior Cervical Ganglion

34
Q

Which is the smallest of the three cervical chain ganglia?

A

Middle Cervical Ganglion