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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
Q

What is the origin of the semispinalis cervicis and capitis?

A

Transverse process of C4-T12

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26
Q

What is the attachment of the semispinalis cervicis and capitis?

A

Run superomedially to occipital bone

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27
Q

What is the function of the semispinalis cervicis and capitis?

A

Extends head, thoracic, and cervical regions of the spine

Contralateral rotation of the same regions

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28
Q

What is the origin of the Multifidus?

A

Articular processes of C4-C7

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29
Q

What is the attachment of the Multifidus?

A

Run the entire length of the spinous processes

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30
Q

What is the function of the Multifidus?

A

Stabilizes vertebrae during local movement of spine

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31
Q

What is the origin of the interspinalis?

A

Superior aspect spinous process of cervical and lumbar vertebrae

32
Q

What is the attachment of the interspinalis?

A

Inferior aspect of spinous process adjacent

33
Q

What is the function of the interspinalis?

A

Aids in extension and rotation of spine

34
Q

What is the origin of the intertransversarii?

A

Transverse process of cervical and lumbar spine

35
Q

What is the attachment of the intertransversarii?

A

Transverse process of adjacent vertebrae

36
Q

What is the function of the intertransversarii?

A

Stabilizes the spine bilaterally

Aids in lateral flexion of spine

37
Q

What is the origin of the rectus capitis posterior major?

A

Spinous process of C2

38
Q

What is the attachment of the rectus capitis posterior major?

A

Lateral part of inferior nuchal line

39
Q

What is the function of the rectus capitis posterior major?

A

Extension

Ipsilateral rotation (unilaterally)

40
Q

What is the origin of the rectus capitis posterior minor?

A

Posterior tubercle of posterior arch of C1

41
Q

What is the attachment of the rectus capitis posterior minor?

A

Medial part of inferior nuchal line (occipital bone)

42
Q

What is the function of the rectus capitis posterior minor?

A

Extension

Ipsilateral rotation (unilaterally)

43
Q

What is the origin of the obliquus capitis inferior?

A

Posterior tubercle of posterior arch of C1

44
Q

What’s the attachment of the obliquus capitis inferior?

A

Transverse process of C1

45
Q

What is the function of the obliquus capitis inferior?

A

Ipsilateral rotation (unilaterally)

46
Q

What is the origin of the obliquus capitis superior?

A

Transverse process of C1

47
Q

What is the attachment of the obliquus capitis superior?

A

Occipital bone between superior and inferior nuchal lines

48
Q

What is the function of the obliquus capitis superior?

A

Extension and lateral flexion

49
Q

What is the origin of the platysma?

A

Inferior border of mandible

Skin of lower face

50
Q

What is the attachment of the platysma?

A

Fascia of superior pec major and deltoid

51
Q

What is the function of the platysma?

A

Draw the corners of mouth inferiorly

Tightens skin of neck during clenching

Widens mouth during sadness or fright

52
Q

What is the origin of the sternocleidomastoid?

A

Mastoid process

Lateral superior Nuchal line

53
Q

What is the attachment of the sternocleidomastoid?

A

Sternal head- anterior manubrium

Clavicular head- medial 1/3 of clavicle

54
Q

What is the function of the sternocleidomastoid unilaterally?

A

Ipsilateral lateral flexion and rotates face superiorly to opposite side

55
Q

What is the function of the sternocleidomastoid bilaterally?

A

Extends neck

Flexes cervical spine

Extends superior cervical spine during flexion of inferior vertebrae

56
Q

What is the origin of the anterior scalene?

A

Transverse process of C3-C6

57
Q

What is the attachment of the anterior scalene?

A

1st rib

58
Q

What is the function of the anterior scalene?

A

Lateral flexion of neck

Elevates 1st rib during forced inspiration

59
Q

What is the origin of the middle scalene?

A

Transverse processes of C5-C7

60
Q

What is the attachment of the middle scalene?

A

1st rib

61
Q

What is the function of the middle scalene?

A

Lateral flexion of neck

Elevates 1st rib during forced inspiration

62
Q

What is the origin of the posterior scalene?

A

Transverse process of C5-C7

63
Q

What’s the attachment of the posterior scalene?

A

External border of 2nd rib

64
Q

What is the function of the posterior scalene?

A

Lateral flexion of neck

Elevates 2nd rib during forced inspiration

65
Q

What is the origin of the longus colli?

A

Bodies of C1-C3

Transverse processes of C3-C6

Anterior tubercle of C1

66
Q

What is the attachment of the longus colli?

A

Bodies of C5-T3 vertebra

67
Q

What is the function of the longus colli?

A

Flex neck with rotation to opposite side

68
Q

What is the origin of the longus capitis?

A

Basilar part of occiput

69
Q

What is the attachment of the longus capitis?

A

Transverse process of C3-C6

70
Q

What is the function of the longus capitis?

A

Flex head

71
Q

What is the origin of the rectus capitis anterior?

A

Base of cranium (anterior to occipital Condyle)

72
Q

What is the attachment of the rectus capitis anterior?

A

Anterior lateral mass of C1

73
Q

What is the function of the rectus capitis anterior?

A

Flex head

74
Q

What is the origin of the rectus capitis lateralis?

A

Jugular process

75
Q

What is the attachment of the rectus capitis lateralis?

A

Transverse process of C1

76
Q

What is the function of the rectus capitis lateralis?

A

Flexes and stabilizes the head

Human Anatomy 2 (20 decks)

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