Neck Anatomy Flashcards

1
Q

What are the identifiable aspects and where is the hyoid bone?

A

It is suspended by muscles at C3-C4 level and has a body, lesser horn and greater horn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the unpaired laryngeal cartilages?

A

Epiglottis, thyroid and cricoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the main paired laryngeal cartilage?

A

Arytenoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the big muscles in the neck?

A

Sternocleidomastoid, Anterior scalene, Middle scalene, posterior scalene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Origin, insertion, innervation and action of SCM

A

O: sternum and clavicle
I: Mastoid process of temporal bone
IN: Spinal Accessory nerve (CN XI)
Action: Flex, laterally flex neck and protrude head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Origin, insertion of anterior scalene

A

O: Anterior tubercles of TP of C3-C6
I: 1st rib

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Origin, insertion of middle scalene

A

O: Posterior tubercles of TP of C2-C7
I: 1st rib

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Origin, insertion of posterior scalene

A

O: Posterior tubercles of TP of C5-C7
I: 2nd rib

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Innervation and action of all scalene muscles

A

IN: Anterior rami
Action: Extend and laterally flex neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What muscles are in the suprahyoid group?

A

Mylohyoid, geniohyoid, digastric muscles and stylohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Origin, insertion, innervation and action of mylohyoid

A

O: mylohyoid line of mandible
I: hyoid bone
IN: Nerve to mylohyoid
Action: Elevate hyoid and floor of mouth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Origin, insertion, innervation and action of geniohyoid

A

O: mental spine of mandible
I: hyoid bone
IN: C1 via hypoglossal nerve
Action: Elevate hyoid bone and widen pharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the 2 bellies of the digastric mucles?

A

Anterior belly and posterior belly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Origin, insertion, innervation and action of anterior belly of digastric

A

O: digastric fossa of mandible
I: hyoid bone
IN: Nerve to mylohyoid
Action: Elevate/stabilize hyoid and depress mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Origin, insertion, innervation and action of posterior belly of digastric

A

O: Mastoid notch of temporal bone
I: hyoid bone
IN: Facial nerve (CN VII)
Action: elevate/stabilize hyoid bone and depress mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Origin, insertion, innervation and action of stylohyoid

A

O: styloid process of temporal bone
I: hyoid bone
IN: Facial nerve
Action: Elevate and retract hyoid bone

17
Q

What muscles are in the infrahyoid group?

A

Sternohyoid, omohyoid, sternothyroid, thryohyoid

18
Q

Origin, insertion, innervation and action of sternohyoid

A

O: sternum
I: hyoid bone
IN: Ansa cervicalis (C1-C3)
Action: depress hyoid

19
Q

Origin, insertion, innervation and action of sternothyroid

A

O: sternum
I: Thyroid cartilage
IN: Ansa cervicalis (C2-C3)
Action: depress thyroid cartilage

20
Q

Origin, insertion, innervation and action of thyrohyoid

A

O: thyroid cartilage
I: hyoid bone
IN: C1 via hypoglossal nerve
Action: depress hyoid and elevate thyroid cartilage

21
Q

What are the 2 bellies of omohyoid?

A

Superior and inferior

22
Q

What separates the superior and inferior belly of the omohyoid?

A

Pretracheal fascia

23
Q

Origin, insertion, innervation and action of omohyoid

A

O: internal surface of superior scapula
I: hyoid bone
IN: Ansa cervicalis (C1-C3)
Action: Depress and retract hyoid

24
Q

What is known as the facial expression muscle?

A

Platysma

25
Q

What are the main laryngeal muscles?

A

Cricothyroid, posterior cricoarytenoid, thyroarytenoid

26
Q

Origin, insertion, innervation and action of cricothyroid

A

O: Arch of cricoid cartilage
I: thyroid cartilage
IN: External laryngeal nerve
Action: stretch and tense vocal L.

27
Q

Origin, insertion, innervation and action of posterior cricoarytenoid

A

O: Lamina of cricoid cartilage
I: Arytenoid cartilage
IN: Recurrent laryngeal nerve
Action: ABduct vocal folds

28
Q

Origin, insertion, innervation and action of thyroarytenoid

A

O: Thyroid cartilage (posterior)
I: Arytenoid cartilage
IN: Recurrent laryngeal nerve
Action: Relax vocal L.

29
Q

Main anterior vertebral column muscle?

A

Longus capitis

30
Q

Origin, insertion, innervation and action of longus capitis

A

O: C3-C6 TP
I: basilar part of occipital bone
IN: Anterior rami
Action: flexes and laterally flexes neck