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pt gross > Back Inferior to C7 Muscles > Flashcards

Back Inferior to C7 Muscles Flashcards

1
Q

Trapezius Origin

A

Medial third of superior nuchal line; external occipital protuberance; nuchal ligament; spinous processes of C7-T12 vertebrae

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2
Q

Trapezius Insertion

A

Lateral third of clavicle; acromion and spine of scapula

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3
Q

Trapezius Innervation

A

Spinal accessory nerve (CN XI) (motor fibers) and C3, C4 spinal nerves (pain and proprioceptive fibers)

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4
Q

Trapezius Action

A

Descending part elevates; ascending part depresses; and middle part(or all parts together) retracts scapula; descending and ascending parts act together to rotate glenoid cavity superiorly

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5
Q

Trapezius Roots

A

C3,C4

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6
Q

Latissimus Dorsi Origin

A

Spinous processes of the inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs

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7
Q

Latissimus Dorsi Insertion

A

Floor of intertubercular sulcus of humerus

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8
Q

Latissimus Dorsi Innervation

A

Thoracodorsal nerve (C6, C7, C8)

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9
Q

Latissimus Dorsi Action

A

Extends, adducts, and medially rotates humerus; raises body toward arms during climbing

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10
Q

Latissimus Dorsi Roots

A

C6, C7, C8

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11
Q

Rhomboid Minor Origin

A

Minor: nuchal ligament; spinous processes of C7 and T1 vertebrae

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12
Q

Rhomboid Minor Insertion

A

Minor: smooth triangular area at medical and scapular spine

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13
Q

Rhomboid Minor Innervation

A

Dorsal scapular nerve (C4, C5)

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14
Q

Rhomboid Minor Action

A

Retract scapula and rotate it to depress glenoid cavity; fix scapula to thoracic wall

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15
Q

Rhomboid Minor & Major Roots

A

C4, C5

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16
Q

Levator Scapulae Origin

A

Posterior tubercles of transverse processes of C1-C4 vertebrae

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17
Q

Levator Scapulae Insertion

A

Medical border of scapula superior to root of scapular spine

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18
Q

Levator Scapulae Innervation

A

Dorsal scapular (C5) and cervical (C3, C4) nerves

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19
Q

Levator Scapulae Action

A

Elevates scapula and rotates its glenoid cavity inferiorly by rotating scapula

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20
Q

Levator Scapulae Roots

A

C3, C4

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21
Q

Serratus Posterior Superior Origin

A

Nuchal ligament, spinous processes of C7 to T3 vertebrae

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22
Q

Serratus Posterior Superior Insertion

A

Superior borders of 2nd to 4th ribs

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23
Q

Serratus Posterior Superior Innervation

A

2nd to 5th intercostal nerves

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24
Q

Serratus Posterior Superior Action

A

Proprioception (elevate ribs)

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25
Q

Serratus Posterior Inferior Origin

A

Spinous processes of T11 to L2 vertebrae

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26
Q

Serratus Posterior Inferior Insertion

A

Inferior borders of 8th to 12th ribs near their angles

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27
Q

Serratus Posterior Inferior Innervation

A

Anterior rami to T9 to T12 thoracic spinal nerves

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28
Q

Serratus Posterior Inferior Action

A

Proprioception (depress ribs)

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29
Q

Serratus Posterior Inferior Roots

A

T9-T12

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30
Q

Erector Spinae: Iliocostalis Origin

A

Arises by a broad tendon from posterior part of iliac crest, posterior surface of sacrum, sacroiliac ligaments, sacral and inferior lumbar spinous processes, and supraspinous ligament

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31
Q

Erector Spinae: Iliocostalis Insertion

A

Iliocostalis: Lumborum, thoracis, cervicis; fibers run superiorly to angles of lower ribs and cervical transverse processes

32
Q

Erector Spinae: Iliocostalis Innervation

A

Posterior rami of spinal nerves

33
Q

Erector Spinae: Iliocostalis Action

A

Acting bilaterally: extend vertebral column and head: as back is flexed, control movement via eccentric contraction

34
Q

Transversospinal: Semispinalis Origin

A

Transverse Processes

35
Q

Transversospinal: Semispinalis Insertion

A

Thoracis, cervicis, capitis; fibers run superomedially to occipital bone and spinous processes in thoracic and cervical regions. spanning 4-6 segments

36
Q

Transversospinal: Semispinalis Innervation

A

Posterior rami of spinal nerves

37
Q

Transversospinal: Semispinalis Action

A

Extends head and thoracic and cervical regions of vertebral column and rotates them contralaterally

38
Q

Transversospinal: Multifidus Origin

A

Arises from posterior sacrum, posterior superior iliac spine of ilium, aponeurosis of erector spinae, sacroiliac ligaments, mammillary processes of lumbar vertebrae, transverse processes of T1-T3 articular processes of C4-C7

39
Q

Transversospinal: Multifidus Insertion

A

Thickest in lumbar region; fibers pass obliquely superomedially to entire length of spinous processes, located 2-4 segments superior to proximal attachment

40
Q

Transversospinal: Multifidus Innervation

A

Posterior rami of spinal nerves

41
Q

Transversospinal: Multifidus Action

A

Stabilizes vertebrae during local movements of vertebral column

42
Q

Transversospinal: Rotatores (brevis and longus) Origin

A

Arise from transverse processes of vertebrae; best developed in thoracic region

43
Q

Transversospinal: Rotatores (brevis and longus) Insertion

A

Fibers pass superomedially to attach to junction of lamina and transverse process or spinous process of vertebra immediately (brevis) or 2 segments (longus) superior to vertebra of attachment

44
Q

Transversospinal: Rotatores (brevis and longus) Innervation

A

Posterior rami of spinal nerves

45
Q

Transversospinal: Rotatores (brevis and longus) Action

A

Stabilize vertebrae and assist with local extension and rotatory movements of vertebral column; may function as organs of proprioception

46
Q

the c8 nerve falls between what vertebrae

47
Q

movements of the scapula on table

48
Q

sacroiliac joint is complex because the posterior is blank but the anterior is blank

A

fibrous sympyses, synovial

49
Q

there are blank ribs

50
Q

rib articulates with transverse facet of blank vertebrae

A

corresponding thoracic

51
Q

serratus posterior superior and inferior help with blank of the ribs rather than really elevating/depressing

A

proprioception (breathing)

52
Q

erector spinae group

A

iliocostalis, longissimus, spinalis

53
Q

parts of spinalis

A

thoracis, cervicis

54
Q

parts of longissimus

A

thoracis, cervicis, capitis

55
Q

parts of iliocostalis

A

lumborum, thoracis, cervicis

56
Q

transversospinal group

A

semispinalis, multifidus, rotatores

57
Q

parts of semispinalis

A

thoracis, cervicis, capitis

58
Q

multifidus attaches to blank

A

mamillary process

59
Q

rotatores two types

A

longus, brevis

60
Q

where bronchii are largest and most noisy

A

triangle of auscultation

61
Q

rotatores parts

A

thoracis, cervicis, capitis

62
Q

semispinalis spans blank vertebral segments

63
Q

multifidus spans blank vertebral segments

64
Q

rotatores spans blank vertebral segments

65
Q

Rhomboid major origin

A

Spinous processes of T2-T5 vertebrae

66
Q

Rhomboid major insertion

A

Medial border of scapula from level of spine to inferior angle

67
Q

Rhomboid major innervation

A

Dorsal scapular nerve (C4, C5)

68
Q

Rhomboid major action

A

Retract scapula and rotate its glenoid cavity inferiorly; fix scapula to thoracic wall

69
Q

Erector spinae: Spinalis origin

A 
Arises by a broad tendon
from posterior part of iliac
crest, posterior surface
of sacrum, sacro-iliac
ligaments, sacral and
inferior lumbar spinous
processes, and supraspinous
ligament
70
Q

Erector spinae: Spinalis insertion

A 
thoracis, cervicis,
capitis; fi bers run superiorly
to spinous processes in the
upper thoracic region and
to cranium
71
Q

Erector spinae: Spinalis innervation

A

Posterior rami of spinal

nerves

72
Q

Erector spinae: Spinalis action

A 
- Acting bilaterally: extend
vertebral column and head;
as back is flexed, control
movement via eccentric
contraction
- Acting unilaterally: laterally
flex vertebral column
73
Q

Erector spinae: Longissimus origin

A 
Arises by a broad tendon
from posterior part of iliac
crest, posterior surface
of sacrum, sacro-iliac
ligaments, sacral and
inferior lumbar spinous
processes, and supraspinous
ligament
74
Q

Erector spinae: Longissimus insertion

A 
thoracis, 
cervicis, capitis; fibers run
superiorly to ribs between
tubercles and angles to
transverse processes
in thoracic and cervical
regions, and to mastoid
process of temporal bone
75
Q

Erector spinae: Longissiumus innervation

A

Posterior rami of spinal

nerves

76
Q

Erector spinae: Longissimus action

A 
- Acting bilaterally: extend
vertebral column and head;
as back is flexed, control
movement via eccentric
contraction
- Acting unilaterally: laterally
flex vertebral column

pt gross (17 decks)

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