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Musculoskeletal > Deep Back And Suboccipital Triangle > Flashcards

Deep Back And Suboccipital Triangle Flashcards

0
Q

blood supply to serratus posterior superior?

A

posterior intercostal a.

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1
Q

Innervation for Serratus posterior superior

A

ventral rami T2-T5 intercostal n.

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2
Q

action of serratus posterior superior?

A

elevates ribs

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3
Q

distal attachment of serratus posterior superior?

A

superior border of ribs 2-4

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5
Q

proximal attachment of serratus posterior superior?

A

spinous process of C7-T3 vertebrae and nuchal ligament

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6
Q

innervation of serratus posterior inferior

A

T9-T11 intercostal nerves and subcostal nerve (T12), ventral rami

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7
Q

blood supply to serratus posterior inferior?

A

posterior intercostal arteries

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8
Q

action of serratus posterior inferior?

A

depress ribs

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9
Q

distal attachment of serratus posterior inferior

A

inferior borders of ribs 8-12, near their angles

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10
Q

proximal attachment of serratus posterior inferior?

A

spinous processes of T11-L2 vertebrae

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11
Q

origin for splenius cervicis and splenius capitis?

A

nuchal ligament and spinous processes of C7-T6

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12
Q

insertion of splenius cervicis

A

tubercles of transverse processes of C2-C3 (sometimes C4) vertebrae

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13
Q

insertion of splenius capitis

A

lateral parts of mastoid processes and superior nuchal line

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14
Q

actions of splenius capitis and splenius cervicis?

A

bilaterally: extend head and neck
unilaterally: laterally flex neck and rotate head to side of contracting muscle

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15
Q

Blood supply to splenius capitis and splenius cervicis?

A

transverse cervical a, occipital a, and muscular branches from aorta

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16
Q

innervation to splenius cervicis and splenius cervicis?

A

dorsal rami of spinal nerves

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17
Q

3 muscles that make up erector spine group?

A

iliocostalis, longissimus, spinal (outside->in “I love Spaghetti)

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18
Q

actions of the erector spine group?

A

bilaterally: extend vertebral column and head
unilaterally: laterally flex vertebral column

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19
Q

innervation of erector spinae group?

A

dorsal rami of spinal nerves

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20
Q

what are the 3 divisions of the iliocostalis group?

A

lumborum, thoracis, and cervicis

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21
Q

origin of iliocostalis muscle?

A

broad common tendon attaches to iliac crest, posterior part of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament

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22
Q

insertions of iliocostalis muscles?

A

fibers run superiorly to angles of ribs and transverse processes

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23
Q

blood supply of iliocostalis?

A

posterior intercostal and lumbar arteries

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24
Q

origin of longissimus thoracis?

A

SAME AS ILIOCOSTALIS
broad common tendon attaches to iliac crest, posterior part of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament

25
Q

insertion of longissimus thoracis?

A

fibers run superiorly to ribs and adjacent transverse processes of thoracic vertebrae

26
Q

blood supply to longissimus thoracis?

A

posterior intercostal arteries

27
Q

origin of longissimus cervicis?

A

transverse processes of cervical vertebrae

28
Q

insertion of longissimus cervicis?

A

firers run superiorly to ribs and adjacent transverse processes of vertebrae (some parts hard to distinguish from L capitus)

29
Q

blood supply to longissimus cervicis?

A

posterior intercostal arteries

30
Q

origin of longissimus capitis?

A

transverse processes of cervical vertebrae

31
Q

insertion of longissimus capitis?

A

mastoid processes

32
Q

blood supply to longissimus capitis?

A

occipital artery

33
Q

thoracis spinalis fibers run where?

A

run superiorly from spinous process to spinous process in upper thoracic region

34
Q

three parts of spinalis group?

A

thoracis, cervicis and capitis (these two can be difficult to differentiate, capitus may be entirely missing)

35
Q

blood supply to spinalis group?

A

posterior intercostal arteries

36
Q

3 muscle groups within transversospinalis group?

A

semispinalis, rotatores, multifidus

37
Q

innervation of transversospinalis group?

A

dorsal rami of spinal nerves

38
Q

3 divisions of semispinalis group?

A

thoracis, cervicis, and capitis

39
Q

blood supply to semispinalis cervicis?

A

deep cervical artery

40
Q

origin/insertion of semispinalis cervicis?

A

cervical transverse processes to spinous processes of 2nd cervical vertebrae

41
Q

blood supply to semispinalis thoracis?

A

posterior intercostal arteries

42
Q

origin/insertion of semispinalis thoracis?

A

transverse to spinous processes in thoracic region

43
Q

action of semispinalis group?

A

extend head, thoracic and cervical regions; rotates them contralaterally

44
Q

origin/insertion of semispinalis capitis?

A

(superficial to cervicis) transverse processes of thoracic vertebrae to nuchal line

45
Q

blood supply to semispinalis capitis?

A

deep cervical artery

46
Q

where do multifidus muscles originate and insert?

A

originate on transverse processes and insert on spinous processes

47
Q

what do multifidus muscles cover?

A

lamina and span vertebral segments from sacrum to cervical region

48
Q

where are multifidus muscles the thickest?

A

lumbar region

49
Q

what is the blood supply for multifidus muscles?

A

posterior lumbar arteries

50
Q

what is the action of the multifidus muscle group?

A

stabilizes vertebrae during localized movements of vertebral column

51
Q

rotatores brevis runs where?

A

transverse process of one vertebrae to base of spinous process of next vertebra above (one intervertebral joint)

52
Q

rotatores longs runs where?

A

transverse process of one vertebra to spinous process of 2nd vertebrae above (spans 2 intervertebral joints)

53
Q

where are the rotatores easiest to see?

A

thoracic region

54
Q

what is the blood supply to rotators?

A

posterior intercostal arteries

55
Q

what are the actions of the rotatores?

A

extends head, thoracic, & cervical regions; rotates them contralaterally

56
Q

innervation of interspinales?

A

dorsal rami of spinal nerves

57
Q

blood supply to interspinales?

A

vertebral a., occipital a., posterior intercostal a.

58
Q

innervation of intertransversari?

A

dorsal AND VENTRAL rami of spinal nerves

Musculoskeletal (13 decks)

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