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Functional Anatomy > Prevertebral Muscles Of The Neck > Flashcards

Prevertebral Muscles Of The Neck Flashcards

0
Q

Name the anterior prevertebral muscles of the neck (4)

A

Longus colli
Longus capitis
Anterior scalene
Rectus capitis anterior

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1
Q

Name the pre vertebral muscles of the neck (9)

A 
Longus colli
Longus capitis
Rectus capitis anterior 
Rectus capitis lateralis
Anterior scalenes 
Middle scalenes 
Posterior scalenes 
Splenius capitis 
Levator scapulae
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2
Q

Name the lateral prevertebral muscles of the neck (5)

A 
Rectus capitis lateralis 
Splenius capitis 
Levator scapulae 
Middle scalene 
Posterior scalene
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3
Q

Superior and inferior attachments of longus colli

A

S: anterior tubercle of C1 , bodies of C1-3 and transverse processes of C3-C6
I: bodies of C5-T3 vertebrae and transverse processes of C3-C5 vertebrae

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4
Q

Innervation of longus colli

A

Anterior rami of c2-c6 spinal nerves

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5
Q

Main action of longus colli

A

Flexes neck with rotation (torsion) to opposite side if acting unilaterally

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6
Q

Superior and inferior attachments of longus capitis

A

S: Base part of occipital bone
I: anterior tubercle of c3-c6 transverse processes

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7
Q

Innervation of longus capitis

A

Anterior rami of c1- c3 spinal nerves

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8
Q

Action longus capitis

A

Flexes head

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9
Q

Rectus capitis anterior superior and inferior attachments

A

S: base of cranium
I: anterior surface of lateral mass of C1 and transverse process

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10
Q

Innervation of rectus capitis anterior

A

C1 and C2 spinal nerves

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11
Q

Action of rectus capitis anterior

A

Flexes head

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12
Q

Superior and inferior attachment of anterior scalene

A

S: transverse processes of C3-C6 vertebrae
I: 1st rib

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13
Q

Innervation of anterior scalene

A

Cervical spinal nerves C4-C6

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14
Q

Action of anterior scalene

A

Flexes head

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15
Q

Name the lateral prevertable muscles

A 
Rectus capitis lateralis
Splenius capitis
Levator scapulae 
Middle scalene 
Posterior scalene
16
Q

Superior and inferior attachments of rectus capitis lateralis

A

S: jugular process of occipital bone
I: transverse process of C1

17
Q

Innervation of rectus capitis lateralis

A

C1 -2 spinal nerves

18
Q

Main action of rectus capitis lateralis

A

Flexes head and helps stabilise it

19
Q

Splenius capitis superior and inferior attachments

A

Origin: inferior half of Nuchal ligament and spinous processes of superior 6 thoracic vertebrae
Insertion: lateral aspect of mastoid process and lateral 3rd of superior Nuchal line

20
Q

Innervation of splenius capitis

A

Posterior rami of middle Cervicle spinal nerves

21
Q

Action of splenius capitis

A

Laterally flexes and rotates head and neck to same side,acting bilaterally- extends had and neck

22
Q

Superior and inferior attachments of levator scapulae

A

S: posterior tubercles of transverse processes of C1-C4 vertebrae
I: superior medial border of scapula

23
Q

Innervation of levator scapulae

A

Dorsal Scapular nerve C5 and cervical spinal nerves C3 and C4

24
Q

Action of levator scapulae

A

Downwards rotation of scapula and tilts it’s glenoid cavity by rotating scapula.

25
Q

superior attachments of middle and posterior scalene

A

Posterior tubercles of transverse processes of C3-C7

26
Q

Inferior attachment of middle scalene and posterior scalene

A

Middle scalene- superior surface of 1st ribs

Posterior scalene- external border of 2nd ribs

27
Q

Innervation of middle scalenes

A

Cervical spinal nerves (anterior rami)

28
Q

Action of middle and posterior scalene

A

Middle- flexes neck laterally; elevates 1st rib during active respiration
Posterior scalene- fleeces neck laterally and elevates 2nd rib during active respiration

29
Q

Innervation of posterior scalene

A

Anterior rami of spinal nerves C7 and C8

Functional Anatomy (18 decks)

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