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Human Anatomy 2 > Muscles Of The Neck (2) > Flashcards

Muscles Of The Neck (2) Flashcards

1
Q

What are the boundaries of the sub occipital triangle?

A

Rectus capitis posterior major

Obliques capitis inferior

Obliques captitis superior

Atlanto occipital membrane (floor)

Semispinalis capitis (roof)

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2
Q

What are the contents of the sub occipital triangle?

A

Part of the external jugular vein

Posterior branches of cervical plexus and spinal accessory nerve

Cervicodorsal trunk and cervical lymph node

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3
Q

What are the boundaries of the carotid triangle?

A

Superior belly of omohyoid

Posterior belly of digastric

Anterior border of sternocleidomastoid

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4
Q

What are the contents of the carotid triangle?

A

Common carotid artery

Internal jugular vein

Vagus nerve

Hypogloassal nerve

Spinal accessory nerve

Thyroid gland, pharynx, larynx

Deep cervical lymph nodes

Parts of cervical plexus

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5
Q

What is the origin of the splenius cervicis?

A

Nuchal ligament

Spinous processes C7-T6

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6
Q

What is the attachment of the splenius cervicis?

A

Transverse processes of C1-C3

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7
Q

What is the function of the splenius cervicis unilaterally?

A

Laterally flexes the neck and rotates the head ipsilaterally

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8
Q

What’s the function of the splenius cervicis bilaterally?

A

Extends the head and the neck

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9
Q

What is the origin of the splenius capitis?

A

Mastoid process

Lateral 1/3 of superior Nuchal line

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10
Q

What is the attachment of the splenius capitis?

A

Inferior half of Nuchal ligament

Spinous process of T1-T6

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11
Q

What is the function of the splenius capitis unilaterally?

A

Flexes and rotates head and neck ipsilaterally

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12
Q

What is the function of the splenius capitis bilaterally?

A

Extends head and neck

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13
Q

What is the origin of the iliocostalis cervicis?

A

Cervical transverse process

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14
Q

What is the attachment of the iliocostalis cervicis?

A

Angles of lower ribs

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15
Q

What is the function of the iliocostalis cervicis bilaterally?

A

Extend the vertebral column

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16
Q

What is the function of the iliocostalis cervicis unilaterally?

A

Laterally flex the spine

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17
Q

What is the origin of the longissimus cervicis and capitis?

A

Transverse process of cervical spine

Mastoid process of temporal bone

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18
Q

What is the attachment of the longissimus cervicis and capitis?

A

Between tubercles and angles of the ribs

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19
Q

What is the function of the longissimus cervicis and capitis bilaterally?

A

Extend vertebral column

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20
Q

What is the function of the longissimus cervicis and capitis unilaterally?

A

Laterally flex the spine

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21
Q

What is the origin of the spinalis cervicis and capitis?

A

Upper thoracic region

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22
Q

What is the attachment of the spinalis cervicis and capitis?

A

Cranium

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23
Q

What is the function of the spinalis cervicis and capitis bilaterally?

A

Extend vertebral column

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24
Q

What is the function of the spinalis cervicis and capitis unilaterally?

A

Laterally flex the spine

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25
What is the origin of the semispinalis cervicis and capitis?
Transverse process of C4-T12
26
What is the attachment of the semispinalis cervicis and capitis?
Run superomedially to occipital bone
27
What is the function of the semispinalis cervicis and capitis?
Extends head, thoracic, and cervical regions of the spine Contralateral rotation of the same regions
28
What is the origin of the Multifidus?
Articular processes of C4-C7
29
What is the attachment of the Multifidus?
Run the entire length of the spinous processes
30
What is the function of the Multifidus?
Stabilizes vertebrae during local movement of spine
31
What is the origin of the interspinalis?
Superior aspect spinous process of cervical and lumbar vertebrae
32
What is the attachment of the interspinalis?
Inferior aspect of spinous process adjacent
33
What is the function of the interspinalis?
Aids in extension and rotation of spine
34
What is the origin of the intertransversarii?
Transverse process of cervical and lumbar spine
35
What is the attachment of the intertransversarii?
Transverse process of adjacent vertebrae
36
What is the function of the intertransversarii?
Stabilizes the spine bilaterally Aids in lateral flexion of spine
37
What is the origin of the rectus capitis posterior major?
Spinous process of C2
38
What is the attachment of the rectus capitis posterior major?
Lateral part of inferior nuchal line
39
What is the function of the rectus capitis posterior major?
Extension Ipsilateral rotation (unilaterally)
40
What is the origin of the rectus capitis posterior minor?
Posterior tubercle of posterior arch of C1
41
What is the attachment of the rectus capitis posterior minor?
Medial part of inferior nuchal line (occipital bone)
42
What is the function of the rectus capitis posterior minor?
Extension Ipsilateral rotation (unilaterally)
43
What is the origin of the obliquus capitis inferior?
Posterior tubercle of posterior arch of C1
44
What’s the attachment of the obliquus capitis inferior?
Transverse process of C1
45
What is the function of the obliquus capitis inferior?
Ipsilateral rotation (unilaterally)
46
What is the origin of the obliquus capitis superior?
Transverse process of C1
47
What is the attachment of the obliquus capitis superior?
Occipital bone between superior and inferior nuchal lines
48
What is the function of the obliquus capitis superior?
Extension and lateral flexion
49
What is the origin of the platysma?
Inferior border of mandible Skin of lower face
50
What is the attachment of the platysma?
Fascia of superior pec major and deltoid
51
What is the function of the platysma?
Draw the corners of mouth inferiorly Tightens skin of neck during clenching Widens mouth during sadness or fright
52
What is the origin of the sternocleidomastoid?
Mastoid process Lateral superior Nuchal line
53
What is the attachment of the sternocleidomastoid?
Sternal head- anterior manubrium Clavicular head- medial 1/3 of clavicle
54
What is the function of the sternocleidomastoid unilaterally?
Ipsilateral lateral flexion and rotates face superiorly to opposite side
55
What is the function of the sternocleidomastoid bilaterally?
Extends neck Flexes cervical spine Extends superior cervical spine during flexion of inferior vertebrae
56
What is the origin of the anterior scalene?
Transverse process of C3-C6
57
What is the attachment of the anterior scalene?
1st rib
58
What is the function of the anterior scalene?
Lateral flexion of neck Elevates 1st rib during forced inspiration
59
What is the origin of the middle scalene?
Transverse processes of C5-C7
60
What is the attachment of the middle scalene?
1st rib
61
What is the function of the middle scalene?
Lateral flexion of neck Elevates 1st rib during forced inspiration
62
What is the origin of the posterior scalene?
Transverse process of C5-C7
63
What’s the attachment of the posterior scalene?
External border of 2nd rib
64
What is the function of the posterior scalene?
Lateral flexion of neck Elevates 2nd rib during forced inspiration
65
What is the origin of the longus colli?
Bodies of C1-C3 Transverse processes of C3-C6 Anterior tubercle of C1
66
What is the attachment of the longus colli?
Bodies of C5-T3 vertebra
67
What is the function of the longus colli?
Flex neck with rotation to opposite side
68
What is the origin of the longus capitis?
Basilar part of occiput
69
What is the attachment of the longus capitis?
Transverse process of C3-C6
70
What is the function of the longus capitis?
Flex head
71
What is the origin of the rectus capitis anterior?
Base of cranium (anterior to occipital Condyle)
72
What is the attachment of the rectus capitis anterior?
Anterior lateral mass of C1
73
What is the function of the rectus capitis anterior?
Flex head
74
What is the origin of the rectus capitis lateralis?
Jugular process
75
What is the attachment of the rectus capitis lateralis?
Transverse process of C1
76
What is the function of the rectus capitis lateralis?
Flexes and stabilizes the head

Human Anatomy 2 (20 decks)

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