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MSK1 > Back Myology > Flashcards

Back Myology Flashcards

1
Q

6 layer method

A

Layers 1-3 = Extrinsic;

Layers 4-6 = Intrinsic

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2
Q

Trapezius m. Attachment

A

C7 - T12, ligamentum nuchae, external occipital protuberance, superior nuchal line

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3
Q

Trapezius m. Insertion

A

Lateral clavicle and scapular spine

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4
Q

Trapezius m. Action - whole

A

Retract scapula and rotate glenoid cavity superiorly

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5
Q

Trapezius m. Action - upper fibers

A

Elevate scapula, extend neck bilaterally and unilaterally rotate face AWAY from muscle

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6
Q

Trapezius m. Action - lower fibers

A

Depress scapula

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7
Q

Latissimus Dorsi m. Attachment

A

T6-L5, iliac crest and thoracolumbar fascia along median sacral crest

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8
Q

Latissimus Dorsi m. Insertion

A

Anterior Humerus

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9
Q

Latissimus Dorsi m. Action

A

Extend, ADduct, medially rotate humerus and inferiorly rotate glenoid cavity

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10
Q

Levator Scapulae m. Attachment

A

Posterior tubercles of C1-C4 transverse processes

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11
Q

Levator Scapulae m. Insertion

A

Superior scapula

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12
Q

Levator Scapulae m. Action

A

Elevate scapula, inferiorly rotate glenoid cavity, extend and laterally flex neck

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13
Q

Rhomboid Minor m. Attachment

A

C7 - T1

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14
Q

Rhomboid Minor m. Insertion

A

Scapula at level of scapular spine

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15
Q

Rhomboid Minor m. Action

A

Retract and elevate scapula, inferiorly rotate glenoid cavity

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16
Q

Rhomboid Major m. Attachment

A

T2-T5

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17
Q

Rhomboid Major m. Insertion

A

Scapula inferior to scapular spine

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18
Q

Rhomboid Major m. Action

A

Retract and elevate scapula, inferiorly rotate glenoid cavity

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19
Q

Serratus Posterior Superior m. Attachment

A

Nuchal ligament, C7-T3

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20
Q

Serratus Posterior Superior m. Insertion

A

Superior surface of ribs

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21
Q

Serratus Posterior Superior m. Action

A

Proprioceptive; elevate ribs with forced inhalation

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22
Q

Serratus Posterior Inferior m. Attachment

A

T11-L2

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23
Q

Serratus Posterior Inferior m. Insertion

A

Inferior surface of ribs

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24
Q

Serratus Posterior Inferior m. Action

A

Proprioceptive; Depress ribs with forced exhalation

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25
Q

Splenius Capitis m. Attachment

A

lower half of nuchal ligament and C7 - T4

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26
Q

Splenius Capitis m. Insertion

A

Mastoid process or temporal bone and superior nuchal line of occipital bone

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27
Q

Splenius Capitis m. Action

A

Extend neck bilaterally, laterally flex and rotate head TOWARD unilateral muscle in activation

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28
Q

Splenius Cervicis m. Attachment

A

T3-T6

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29
Q

Splenius Cervicis m. Insertion

A

Transverse processes of C1-C4

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30
Q

Splenius Cervicis m. Action

A

Extend neck bilaterally, laterally flex and rotate head TOWARD unilateral muscle in activation

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31
Q

Erector Spinae group members and actions

A

Iliocostalis-lateral, Longissimus-intermediate, Spinalis-median
Action = Keep spine erect and maintain posture

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32
Q

Iliocostalis members

A

Iliocostalis Lumborum, Iliocostalis Thoracis, Iliocostalic Cervicis

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33
Q

Iliocostalis Lumborum m. Attachment

A

T11-L5, median sacral crest, iliac crest

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34
Q

Iliocostalis Lumborum m. Insertion

A

Costal angles of ribs

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35
Q

Iliocostalis Thoracis m. Attachment

A

Costal angles of ribs

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36
Q

Iliocostalis Thoracis m. Insertion

A

Costal angles of ribs and transverse process of C7

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37
Q

Iliocostalis Cervicis m. Attachment

A

Costal angles of ribs

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38
Q

Iliocostalis Cervicis m. Insertion

A

Posterior tubercles on transverse processes of C4-C6

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39
Q

Longissimus members

A

Longissimus Thoracis, Longissimus Cervicis, Longissimus Capitis

40
Q

Longissimus Thoracis m. Attachment

A

Common origin with Iliocostalis Lumborum, transverse accessory processes L1-L5

41
Q

Longissimus Thoracis m. Insertion

A

Transverse processes T1-L2 and ribs

42
Q

Longissimus Cervicis m. Attachment

A

Transverse processes T1-T5

43
Q

Longissimus Cervicis m. Insertion

A

Posterior tubercles on transverse processes of C2-C6

44
Q

Longissimus Capitis m. Attachment

A

Transverse processes T1-T5

45
Q

Longissimus Capitis m. Insertion

A

Mastoid process of temporal bone

46
Q

Longissimus Capitis m. Action

A

Extend neck, laterally flex, turn head TOWARDS

47
Q

Spinalis members

A

Spinalis Thoracis, Spinalis Cervicis, Spinalis Capitis

48
Q

Spinalis Thoracis m. Attachment

A

Spinous processes of T11-L2

49
Q

Spinalis Thoracis m. Insertion

A

T1-T4

50
Q

Spinalis Cervicis m. Attachment

A

Spinous processes of T1-T6

51
Q

Spinalis Cervicis m. Insertion

A

C2,3,4

52
Q

What causes a back sprain?

A

Injury to the ligamentous attachments to the bone

53
Q

What causes a back strain?

A

Excessive tearing and stretching of muscle fibers

54
Q

Transversospinalis members

A

Semispinalis, Multifidus, Rotatores Longus, Rotatores Brevis
ALL GO BTWN transverse processes and spinous processes

55
Q

Semispinalis m.

A

Jumps 5-6 spinous processes

56
Q

Multifidus m.

A

Jumps 3-4 spinous processes

57
Q

Rotatores Longus m.

A

Jumps 2 spinous processes

58
Q

Rotatores Brevis m.

A

Jumps 1 spinous process

59
Q

Semispinalis m. Members

A

Semispinalis Thoracis, Semispinalis Cervicis, Semispinalis Capitis

60
Q

Semispinalis Thoracis m. Attachment

A

Transverse processes T6-12

61
Q

Semispinalis Cervicis m. Attachment

A

Transverse processes T6-T1

62
Q

Semispinalis Capitis m. Attachment

A

Transverse processes C7- T6

63
Q

Semispinalis Capitis m. Insertion

A

Between superior and inferior nuchal lines of occipital bone

64
Q

Multifidus m. Attachment

A

Mamillary processes of lumbar vertebrae, transverse processes of thoracic vertebrae

65
Q

Rotatores Longus m. Attachment

A

Transverse processes

66
Q

Rotatores Brevis m. Attachment

A

Transverse processes

67
Q

Action of Semispinalis, Multifidus, Rotatores Longus and Rotatores Brevis

A

Extend spine and rotate spine away

68
Q

Other Deep Back Muscles

A

Interspinalis, Intertransversarii, Levator Costarum Longus, Levator Costarum Brevis

69
Q

Interspinalis m. Attachment and Insertion

A

Spinous process to adjacent spinous process

70
Q

Intertransversarii m. Attachment and Insertion

A

Transverse processes to adjacent transverse processes

71
Q

Levator Costarum Longus m. Attachment and Insertion

A

C7-T11 Transverse processes to 2nd inferior rib away from it

72
Q

Levator Costarum Brevis m. Attachment and Insertion

A

C7-T11 Transverse processes to adjacent inferior rib away from it

73
Q

Suboccipital Region muscles

A

Rectus Capitis Posterior Major, Rectus Capitis Posterior Minor, Obliquus Capitis Inferior, Obliquus Capitis Superior

74
Q

Rectus Capitis Posterior Major m. Attachment

A

Spinous process C2

75
Q

Rectus Capitis Posterior Major m. Insertion

A

Lateral inferior nuchal line

76
Q

Rectus Capitis Posterior Major m. Action

A

Extend Head, rotate face toward

77
Q

Rectus Capitis Posterior Minor m. Attachment

A

Posterior tubercle C1

78
Q

Rectus Capitis Posterior Minor m. Insertion

A

Below Inferior nuchal line

79
Q

Rectus Capitits Posterior Minor m. Action

A

Extend head

80
Q

Obliquus Capitis Inferior m. Attachment

A

Spinous process C2

81
Q

Obliquus Capitis Inferior m. Insertion

A

Transverse Process C1–WEIRD

82
Q

Obliquues Capitis Inferior m. Action

A

Rotate face toward

83
Q

Obliquus Capitis Superior m. Attachment

A

Transverse process C1

84
Q

Obliquus Capitis Superior m. Insertion

A

Between superior and inferior nuchal lines

85
Q

Obliquus Capitis m. Action

A

Extend and laterally flex head

86
Q

What is the medial border of the suboccipital triangle

A

Rectus Capitis Posterior Major

87
Q

What is the inferior border of the suboccipital triangle

A

Obliquus Capitis Inferior

88
Q

What is the lateral border of the suboccipital triangle

A

Obliquus Capitis Superior

89
Q

What innervates the suboccipital region

A

Suboccipital nerve;

The vertebral artery is through the floor of the triangle

90
Q

Layer 1

A

Trapezius and Latissimus Dorsi

91
Q

Layer 2

A

Levator Scapulae, Rhomboid minor, Rhomboid Major

92
Q

Layer 3

A

Serratus Posterior Superior and Serratus Posterior Inferior

93
Q

Layer 4

A

Splenius Cervicis and Splenius Capitis

94
Q

Layer 5

A

Iliocostalis, Longissimus, Spinalis

95
Q

Layer 6

A

Semispinalis, Multifidus, Rotatores Longus, Rotatores Brevis

MSK1 (29 decks)

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