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Muscle Anatomy > Spine > Flashcards

Spine Flashcards

1
Q
A

levator scapula

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2
Q
A

trapezius

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3
Q
A

rectus abdominis

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4
Q
A

quadratus lumborum

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5
Q
A

external obliques

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6
Q
A

diaphragm

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7
Q
A

sternocleidomastoid

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8
Q
A

iliacus

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9
Q
A

psoas major

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10
Q
A

anterior scalene

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11
Q
A

posterior scalene

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12
Q
A

longus colli

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13
Q
A

longus capitis

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14
Q
A

middle scalene

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15
Q
A

multifidi

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16
Q

Innervation - Upper trapezius

A

Accessory

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17
Q

Innervation - Levator scapula

A

Dorsal scapular

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18
Q

Innervation - Iliopsoas

A

Femoral

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19
Q

Innervation - Sternocleidomastoid

A

CN XI, Ventral rami C2, C3 (C4)

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20
Q

Orgin - Rectus abdominus

A

pubic symphysis and pubic crest

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21
Q

Orgin - external oblique

A

external surfaces of 5th to 12th ribs

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22
Q

Orgin - internal oblique

A

thoracolumbar fascia, anterior two thirds of iliac crest, and lateral half of inguinal ligament

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23
Q

Orgin - transverus abdominis

A

internal surfaces of 7-12 costal cartilages, thoracolumbar fascia and lateral third of inguinal ligament

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24
Q

Orgin - diaphragm

A

1st lumbar vertebrae, lower 6 costal cartilages, xiphoid process

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25
Q

Orgin - quadratus lumborum

A

medial half of inferior border of 12th rib and tips of lumbar transverse processes

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26
Q

Orgin - multifidi

A

sacrum ilium and transverse processes of T1-T12 and articular processes of C4-C7

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27
Q

Orgin - sternocleidomastoid

A

sternal head - manubrium Clavicular head - medial third of clavicle

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28
Q

Orgin - anterior scalene

A

anterior tubercle of transverse processes of C3 - C6

29
Q

Orgin - middle scalene

A

post. tubercles of transverse process C2 - C7

30
Q

Orgin - posterior scalene

A

post. tubercles of transverse process C4 -C6

31
Q

Orgin - longus colli

A

body of T1- T3 with attachments to bodies of C4-C7 and transverse processes of C3-C6

32
Q

Orgin - longus capitis

A

anterior tubercles of C3-C6 transverse processes

33
Q

Insertion - rectus abdominus

A

xiphoid process and costal cartilages 5 - 7

34
Q

Insertion - external oblique

A

linea albea, pubic tubercle, and anterior half of iliac crest

35
Q

Insertion - internal oblique

A

inferior borders of 10th to 12th ribs, linea albea, and pubis via conjoint tendon

36
Q

Insertion - transverus abdominis

A

linea albea with aponeurosis of internal oblique, pubic crest and pecten pubis via conjoint tendon

37
Q

Insertion - diaphragm

A

central tendon of diaphragm

38
Q

Insertion - quadratus lumborum

A

iliolumbar ligament and internal lip of iliac crest

39
Q

Insertion - multifidi

A

spinous process of vertebrae above, spanning two to four segments

40
Q

Insertion - sternocleidomastoid

A

mastoid process, lateral half of superior nuchal line

41
Q

Insertion - anterior scalene

A

1st rib

42
Q

Insertion - middle scalene

A

1st rib

43
Q

Insertion - posterior scalene

A

2nd rib

44
Q

Insertion - longus colli

A

anterior tubercle of C1 (atlas), transverse processes of C4-C6, and bodies of C2-C6

45
Q

Insertion - longus capitis

A

bilateral part of the occipital bone

46
Q

Action - Erector spinae (paraspinals)

A

Spine extension

47
Q

Action - SCM

A

Bilaterally: Cervical flexion Unilaterally: SB w/ rotation

48
Q

Action - Rectus abdominus

A

Lumbar flexion

49
Q

Action - External & internal obliques

A

Lumbar rotation/Lumbar stabilization

50
Q

Action - Transverse abdominus

A

Lumbar stabilization

51
Q

Action - Iliopsoas

A

Hip flexion

52
Q

Action - Quadratus Lumorum

A

Extension and SB of vertebral column

53
Q

Action - Diaphragm

A

flattens central tendon, increasing vertical diameter of thoracic cavity in inspiration

54
Q

Action - Multifidi

A

Stabilizes spine during local movements

55
Q

Action - Scalenes

A

Flexes neck laterally; Ant/Middle: elevate first rib; Post: elevate second rib

56
Q

Action - Longus Colli

A

Flexes cervical vertebrae; allos slight rotation

57
Q

Action - Longus Capitis

A

Flexes head

58
Q

Innervation - rectus abdominus

A

anterior rami of lower seven thoracic spinal nerves (T7-T12)

59
Q

Innervation - external obliques

A

anterior rami of lower six thoracic spinal nerves (T7-T12)

60
Q

Innervation - internal obliques

A

anterior rami of lower six thoracic spinal nerves (T7-T12), and L1

61
Q

Innervation - transverse abdominis

A

anterior rami of lower six thoracic spinal nerves (T7-T12), and L1

62
Q

Innervation - quadratus lumborum

A

anterior rami of T12 and L1 to L4

63
Q

Innervation - diaphragm

A

phrenic (C3-C5)

64
Q

Innervation - multifidi

A

respective spinal nerves of each region

65
Q

Innervation - anterior scalene

A

anterior rami C4-C7

66
Q

Innervation - middle scalene

A

anterior rami C3-C7

67
Q

Innervation - posterior scalene

A

anterior rami C5-C7

68
Q

Innervation - longus colli

A

anterior rami of C2-C6

69
Q

Innervation - longus capitis

A

anterior rami of C1-C3

Muscle Anatomy (18 decks)

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