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Anatomy > Neck > Flashcards

Neck Flashcards

1
Q

Origin of Platysma

A

fascia covering superior part of pectoralis major

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2
Q

insertion of platysma

A

base of mandible, skin of lower part of face

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3
Q

action of platysma

A

assist to depress the mandible
tighten the fascia of the neck
draw down corners of the mouth

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4
Q

innervation of platysma

A

CN VII (facial nerve)

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5
Q

origin of sternocleidomastoid

A

sternal head - top of manubrium

clavicular head - medial clavicle

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6
Q

insertion of sternocleidomastoid

A

mastoid process of temporal bone and superior nuchal line of occiput

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7
Q

action of sternocleidomastoid

A

unilaterally - laterally flex the head and neck to the same side, rotate the head and neck to the opposite side

bilaterally - flex the neck, assist to elevate the ribcage during inhalation

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8
Q

innervation of sternocleidomastoid

A

CN XI (spinal accessory nerve), C2, C3

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9
Q

origin of anterior scalene

A

TP of 3rd to 6th cervical vertebrae

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10
Q

insertion of anterior scalene

A

1st rib

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11
Q

action of anterior scalene

A

unilaterally - with ribs fixed: laterally flex head and neck to the same side, rotate head and neck to opposite side

bilaterally - elevate ribs during inhalation, flex the head and neck

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12
Q

innervation of anterior scalene

A

C3-8

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13
Q

origin of posterior scalene

A

TP of 6th to 7th cervical vertebrae

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14
Q

insertion of posterior scalene

A

2nd rib

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15
Q

action of posterior scalene

A

unilaterally - with ribs fixed: laterally flex head and neck to the same side, rotate head and neck to opposite side

bilaterally - elevate ribs during inhalation

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16
Q

innervation of posterior scalene

A

C3 - 8

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17
Q

origin of middle scalene

A

TP C2 - C7

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18
Q

insertion of middle scalene

A

1st rib

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19
Q

action of middle scalene

A

unilaterally - with ribs fixed: laterally flex head and neck to the same side, rotate head and neck to opposite side

bilaterally - elevate ribs during inhalation

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20
Q

innervation of middle scalene

A

C3-C8

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21
Q

origin of splenius capitis

A

ligamentum nuchae and SP of C7 - T4

22
Q

insertion of splenius capitis

A

mastoid process and superior nuchal line of occiput

23
Q

action of spelnius capitis

A

unilaterally - rotate and laterally flex the head and neck to the same side

bilaterally - extend the head and neck

24
Q

innervation of splenius capitis

A

cervical nerves

25
Q

origin of splenius cervicis

A

SP of T3 - T6

26
Q

insertion of splenius cervicis

A

TP of C1 - C3

27
Q

action of splenius cervicis

A

unilaterally - rotate and laterally flex the head and neck to the same side

bilaterally - extend the head and neck

28
Q

innervation of splenius cervicis

A

cervical nerves

29
Q

origin of semispinalis capitis

A

TP of C4 - T5

30
Q

insertion of semispinalis capitis

A

between the superior and inferior nuchal line of the occiput

31
Q

action of semispinalis capitis

A

extend the vertebral column and head

32
Q

innervation of semispinalis capitis

A

cervical nerves

33
Q

origin of semispinalis cervicis

A

TP of T1 - T5

34
Q

insertion of semispinalis cervicis

A

SP of C1 - C5

35
Q

action of semispinalis cervicis

A

extend the vertebral column

36
Q

innervation of semispinalis cervicis

A

cervical nerves

37
Q

origin of rectus capitis posterior major

A

SP of C2 (axis)

38
Q

insertion of rectus capitis posterior major

A

inferior nuchal line of occiput

39
Q

action of rectus capitis posterior major

A

rock and tilt head back into extension

rotate head to the same side

40
Q

innervation of rectus capitis posterior major

A

suboccipital nerve

41
Q

origin of rectus capitis posterior minor

A

tubercle of the posterior arch of C1 (atlas)

42
Q

insertion of rectus capitis posterior minor

A

inferior nuchal line of occiput

43
Q

action of rectus capitis posterior minor

A

rock and tilt head back into extension

44
Q

innervation of rectus capitis posterior minor

A

suboccipital nerve

45
Q

origin of oblique capitis superior

A

TP of atlas (C1)

46
Q

insertion of oblique capitis superior

A

between nuchal lines of occiput

47
Q

action of oblique capitis superior

A

rock and tilt head back into extension

laterally flex the head to the same side

48
Q

innervation of oblique capitis superior

A

suboccipital nerve

49
Q

origin of oblique capitis inferior

A

SP of C2 (axis)

50
Q

insertion of oblique capitis inferior

A

TP of C1 (atlas)

51
Q

action of oblique capitis inferior

A

rotate head to the same side

52
Q

innervation of oblique capitis inferior

A

suboccipital nerve

Anatomy (11 decks)

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