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Back Anatomy > Back Insertion Ect > Flashcards

Back Insertion Ect Flashcards

0
Q

Trapezius insertion

A

Spine and acromion scapula

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1
Q

Trapezius origin

A

Medial 1/3 of superior line, nuchal ligament, spinous processes of c7-t12 vertebrae

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2
Q

Trapezius innervation

A

Spinal accessory nerve (cranial nerve XI)

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3
Q

Trapezius action

A

Superior = elevation
Middle = retracts
Inferior = depresses scapula
Superior and inferior =!rotate shoulder joint superiorly

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4
Q

Latissimus dorsi origin

A

Spinous processes of t6-t12, thoracolumbar fascia and iliac crest

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5
Q

Latissimus dorsi insertion

A

Inferior intertubercular sulcus of humerus

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6
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve (c6-c8 anterior rami)

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7
Q

Latissimus dorsi action

A

Extends, adducts and medially rotates the humerus

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8
Q

Levator scapulae insertion

A

Transverse processes of c1-c4

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9
Q

Levator scapulae insertion

A

Medial border of scapula, superior to route of scapular spine

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10
Q

Levator scapulae innervation

A

Dorsal scapular nerve (c5 anterior ramus route) and c3, 4 anterior rami

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11
Q

Levator scapulae action

A

Elevates scapula, rotates glenoid cavity inferiorly

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12
Q

Rhomboid major origin

A

Spinous processes of t2-t5

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13
Q

Rhomboid major insertion

A

Medial border of scapula

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14
Q

Rhomboid major innervation

A

Dorsal scapular nerve (c5 anterior rami)

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15
Q

Rhomboid major action

A

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

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16
Q

Rhomboid minor origin

A

Nuchal ligament and spinous processes of c7 and t1

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17
Q

Rhomboid minor insertion

A

Medial end of scapular spine

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18
Q

Rhomboid minor innervation

A

Dorsal scapular nerve (c5 anterior rami)

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19
Q

Rhomboid minor action

A

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

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20
Q

Serratus posterior superior origin

A

Nuchal ligament, spinous processes of c7-t3

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21
Q

Serratus posterior superior insertion

A

Ribs 2 and 4

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22
Q

Serratus posterior superior innervation

A

T2 and t5 anterior rami of spinal nerves

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23
Q

Serratus posterior superior action

A

Elevates ribs 2 to 4, but function is Propricoception during respiration

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24
Q

Serratus posterior inferior origin

A

Spinous processes of t11-l2

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25
Q

Serratus posterior inferior insertion

A

Ribs 8-12

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26
Q

Serratus posterior inferior innervation

A

T9 to t12 anterior rami of spinal nerves

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27
Q

Serratus posterior inferior action

A

Depresses ribs 8 to 12, but function is Proprioception during respiration

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28
Q

Splenius capitis origin

A

Nuchal ligament, spinous processes of c7 to t3/4

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29
Q

Splenius capitis insertion

A

Mastoid process and nuchal line

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30
Q

Splenius capitis innervation

A

Posterior rami of spinal nerves

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31
Q

Splenius capitis action

A

Unilaterally- laterally flex the neck and rotate the head to the said of the active muscle

Bilaterally -extend head and neck

32
Q

Splenius cervicis origin

A

Nuchal ligament, spinous processes of c7 to t3/4

33
Q

Splenius cervicis insertion

A

Transverse processes of c1 to c3/4

34
Q

Splenius cervicis innervation

A

Posterior rami of spinal nerves

35
Q

Splenius cervicis action

A

Unilaterally - laterally flex the neck and rotate head to the side of active muscle

Bilaterally - extend head and neck

36
Q

Spinalis origin

A

Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes and supraspinous ligament

37
Q

Spinalis insertion

A

Spinous processes of thoracic and cervical vertebrae

38
Q

Spinalis innervation

A

Posterior rami of spinal nerves

39
Q

Spinalis action

A

Unilaterally -laterally flex vertebral column

Bilaterally - extend vertebral column and head

40
Q

Longissimus origin

A

Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament

41
Q

Longissimus insertion

A

Postero-medial aspect of ribs, cervical transverse processes and mastoid process

42
Q

Longissimuss innervation

A

Posterior rami of spinal nerves

43
Q

Longissimuss action

A

Unilaterally - laterally flex vertebral column

Bilaterally - extend vertebral column and head

44
Q

Iliocostalis origin

A

Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament

45
Q

Iliocostalis insertion

A

Lateral to Longissimuss on ribs and cervical transverse processes

46
Q

Iliocostalis innervation

A

Posterior rami of spinal nerves

47
Q

Iliocostalis action

A

Unilaterally - laterally flex vertebral column

Bilaterally - extend vertebral column and head

48
Q

Semispinalis origin

A

Transverse processes of c4 to t12

49
Q

Semispinalis insertion

A

Thoracic and cervical transverse processes, and space between superior and inferior nuchal lines on cranium

50
Q

Semispinalis innervation

A

Posterior rami of spinal nerves

51
Q

Semispinalis action

A

Extends head, thoracic and cervical vertebral column, rotates contralaterally

52
Q

Multifidus origin

A

Posterior sacrum, transverse processes of lumbar thoracic, and cervical vertebrae

53
Q

Multifidus insertion

A

Spinous processes of vertebrae 2-4,vertebrae above their origin

54
Q

Multifidus innervation

A

Posterior rami of spinal nerves

55
Q

Multifidus action

A

Extension, lateral flexion, and rotation of the vertebral column

56
Q

Rotatores origin

A

Transverse processes of vertebrae

57
Q

Rotatores insertion

A

Lamina of vertebrae immediately or two segments above its origin

58
Q

Rotatores innervation

A

Posterior rami of spinal nerves

59
Q

Rotatores action

A

Rotates vertebral column and functions to stabilize vertebrae

60
Q

Rectus capitis major origin

A

C2 of spinous process

61
Q

Rectus capitis major insertion

A

Lateral part of inferior nuchal line

62
Q

Rectus capitis major innervation

A

Suboccipital nerve (c1 spinal nerve posterior ramus)

63
Q

Rectus capitis major action

A

Extension of the atlantooccipital joint ipsilateral rotation of atlantoaxial joint

64
Q

Rectus capitis minor

A

C1 posterior arch

65
Q

Rectus capitis minor

A

Medial part of inferior nuchal line

66
Q

Rectus capitis minor innervation

A

Suboccipital nerve (c1 spinal nerve posterior ramus)

67
Q

Rectus capitis minor action

A

Extension of atlantooccipital joint, ipsilateral rotation of the atlantoaxial joint

68
Q

Obliquus capitis inferior origin

A

C2 posterior arch

69
Q

Obliquus capitis inferior insertion

A

C1 transverse process

70
Q

Obliquus capitis inferior innervation

A

Suboccipital nerve (c1 spinal nerve posterior ramus)

71
Q

Obliquus capitis inferior action

A

Ipsilateral rotation of the atlantoaxial joint

72
Q

Obliquus capitis superior origin

A

C1 transverse process

73
Q

Obliquus capitis superior insertion

A

Occipital bone between superior and inferior nuchal lines

74
Q

Obliquus capitis superior innervation

A

Suboccipital nerve (c1 spinal nerve posterior ramus)

75
Q

Obliquus capitis superior action

A

Extension and lateral flexion of the atlantooccipital joint

76
Q

What are the extrinsic muscles?

A

Trapezius, latissimus dorsi, levator scapulae, rhomboid major, rhomboid minor, Serratus posterior superior, Serratus posterior inferior

77
Q

What are the intrinsic back muscles?

A

Spenius capitis, splenius cervicis, spinalis, Longissimuss, spinalis, semispinalis, Multifidus, rotatores,

Back Anatomy (1 decks)

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