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Neck Muscles
anatomy of neck muscles
18
Anatomy
Professional
10/03/2015

Additional Anatomy Flashcards

 


 

Cards

Term

Platysma

 [image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Platysma

 

O: superficial fascia of upper chest

 

I: superficial fascia of chin and jaw muscles

 

Action: draw skin up and depress lower lip

 

Nerve: CN VII (facial)

Term

Sternocleidomastoid

 

O:

[image]

 

I:

 

Action:

 

Nerve:

Definition

Sternocleidomastoid

 

O: 

sternal: manubrium of sternum

clavicular: clavicle

 

I: mastoid process 

 

Action: bilateral -- flex neck and cervicle vertebra

           unilateral -- flex neck laterally & rotate head contralaterally

 

Nerve: CN XI (accessory), C2-C3 

Term

Digastric Anterior

[image]

 

O:

 

I: 

 

Action:

 

Nerve:

Definition

Digastric Anterior

 

O: Inferior border of mandible

 

I: Tendon of hyoid

 

Action: Opens jaw, elevates/steadies hyoid during swallowing and speaking

 

Nerve: CN V (trigeminal)

Term

Digastric Posterior

[image]

 

O:

 

I:

 

Action:

 

Nerve:

Definition

Digastric Posterior

 

O: Mastoid notch of temporal bone

 

I: Tendon of hyoid

 

Action: Pulls hyoid posteriorly, elevates/steadies hyoid during swallowing and speaking

 

Nerve: CN VII (facial)

Term

Stylohyoid

[image]

 

Action:

 

Nerve:

Definition

Stylohyoid

 

Action: Draws hyoid posteriorly, assists in elevating tongue

 

Nerve: CN VII (facial)

Term

Mylohyoi[image]d

 

Action:

 

Nerve:

Definition

Mylohyoid

 

Action: Raise floor of mouth and tongue

 

Nerve: CN V3 (trigeminal)

Term

Geniohyoid

[image]

 

Action:

 

Nerve:

Definition

Geniohyoid



Action: Protrude tongue and hyoid

 

Nerve: C1 via CN XI (hypoglossal)

Term

Sternohyoid

[image]

 

Action:

 

Nerve: 

Definition

Sternohyoid

 

Action: Depress hyoid during swallowing

 

Nerve: C1-C3

Term

[image]Omohyoid

 

Action:

 

Nerve:

Definition

Omohyoid



Action: Depress, retract, and steady hyoid

 

Nerve: C1-C3

Term

Sternothyroid

[image]

 

Action: 

 

Nerve:

Definition

Sternothyroid

 

Action: Depress hyoid and larynx

 

Nerve: C1-C3

Term

Thyrohyoid

[image]

 

Action:

 

Nerve:

Definition

Thyrohyoid

 

Action: Depress hyoid and elevate larynx

 

Nerve: C1 via CN XI (hypoglossal)

Term

Longus Capitis

 [image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Longus Capitis

 

O: Occipital bone

 

I: Transverse processes of C3-C6 vertebrae

 

Action: Flex head

 

Nerve: C1-C3

Term

Longus Colli

[image]

Action: 

 

Nerve:

Definition

Longus Colli

 

Action: Flex neck with rotation to opposite side

 

Nerve: C2-C6

Term

Rectus Capitis Anterior

 [image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Rectus Capitis Anterior

 

O: Anterior atlas

 

I: Occipital bone

 

Action: Flex head and lateral flexion of vertebra

 

Nerve: C1-C2

Term

Rectus Capitis Lateralis

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Rectus Capitis Lateralis

 

O: Transverse process of atlas

 

I: Occipital bone

 

Action: Flex head and help stabilize

 

Nerve: C1-C2

Term

Anterior Scalene

[image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Anterior Scalene

 

O: Transverse processes of C3-C6

 

I: 1st rib

 

Action: Flexes head and elevates 1st rib

 

Nerve: C4-C6

Term

Middle Scalene

 [image]

O:

 

I:

 

Action:

 

Nerve:

Definition

Middle Scalene

 

O: Transverse processes of C5-C7

 

I: 1st rib

 

Action: Flexes neck laterally and elevates 1st rib

 

Nerve: C4-C8

Term

Posterior Scalene

[image]

O:

 

I:


Action:

 

Nerve:

Definition

Posterior Scalene

 

O: Transverse processes of C5-C7

 

I: 2nd rib

 

Action: Flexes neck laterally and elevates 2nd rib

 

Nerve: C7-C8

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