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Functional Anatomy > deep back > Flashcards

deep back Flashcards

1
Q

cervicothoracic junction

A

c7

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2
Q

scapular spine

A

t3

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3
Q

inferior scapular angle

A

t7

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4
Q

iliac crest

A

l4

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5
Q

splenis capitis and cervicis innervation

A

dorsal rami of spinal nerves

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6
Q

splenis muscles actions

A
  1. extension of neck by drawing head back
  2. ipsilateral rotation
  3. ipsilateral side bending
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7
Q

semispinalis location

A

deep to trapezius and rhomboids, superficial to erector spinae

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8
Q

erector spinae muscles

A

spinalis, longissimus, iliocostalis

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9
Q

erector spinae innervation

A

dorsal rami

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10
Q

erector spinae actions

A
  1. trunk extension
  2. trunk lateral flexion
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11
Q

semispinalis actions

A
  1. trunk extension
  2. trunk rotation
  3. stabilization
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12
Q

suboccipital muscles innervation

A

dorsal ramus of c1

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13
Q

suboccipital muscle actions

A
  1. extension of the head
  2. ipsilateral rotation of the head
  3. ipsilateral side bending
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14
Q

greater occipital nerve

A

C2, pierces through semispinalis capitis and trapezius to innervate scalp

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15
Q

anterior longitudinal ligament

A

resists trunk extension

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16
Q

posterior longitudinal ligament

A

resists trunk flexion

17
Q

interspinous ligament

A

resists trunk flexion

18
Q

ligamentum nuchae

A

resists trunk flexion

19
Q

ligamentum flava

A

resists trunk flexion

20
Q

first intervertebral disc

A

c2/ c3

21
Q

last intervertebral ligament

A

l5/ s1

22
Q

degenerated disc

A

breakdown of the fibrocartilage and shrinkage of nucleus pulposus

23
Q

bulging disc

A

out pocketing of the annulus fibrosis

24
Q

herniated disc

A

crack in the annulus fibrosis allows the nucleus pulposus to protrude out of the disc, can cause nerve impingement

25
Q

osteophytes

A

bone spurs

Functional Anatomy (6 decks)

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