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ANT 1001 Lecture > Anatomy-Back > Flashcards

Anatomy-Back Flashcards

1
Q

Cervical Vertebrae

A

C1-C7

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2
Q

Thoracic Vertebrae

A

T1-T12

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3
Q

Lumbar Vertebrae

A

L1-L5

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4
Q

Sacral Vertebrae

A

S1-S5 fused

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5
Q

Coccygeal Vertebrae

A

Cg-Cg4 fused

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6
Q

Flexion

A

Leaning forward

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7
Q

Extensions

A

Bending Back

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8
Q

Lateral Flexion

A

Side ways movement

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9
Q

Rotation

A

Circumferential momvment

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10
Q

Primary Curvature

A

Curves of the Column in the embryo. C shape anterior curve

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11
Q

Secondary Curvature

A

Curves of the spinal column, concave posterior. Like an S.

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12
Q

What the 3 things that come from the secondary curvature?

A

-Distribute weight better
-Good center of gravity
-Maintain body upright, bi-pedel

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13
Q

Smaller, thinner, oval, Widder are features of the:

A

Vertebral bodies

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14
Q

Holes through both spinous process on the typical cervical vertebrae

A

Transverse Formamin

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15
Q

Part of cervical vertebrae on the posterior that branches out from the lamina on either side

A

Bifoid Spinous Process

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16
Q

Large, canal, hole, that accomodates the cervical enlargement

A

Vertebral foramen

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17
Q

Holds up the head.

A

Atlas (C1)

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18
Q

Anterior arch of the C1 is

A

Thinner

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19
Q

Posterior of the C1 is ______

A

Thicker

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20
Q

On either side of the anterior arch of the C1 Atlas, were the occipital bone sites.

A

Lateral mass

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21
Q

the synovial articulation between the occipital bone and the first cervical vertebra (atlas)

A

Atlanto- occipital Joint

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22
Q

Vertebrae that provides for the primary rotation of the head

A

Axis C2

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23
Q

Thoracic vertebrae has a _____ body

A

Thicker

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24
Q

Contact spots on thoracic vertebrae that allow for articulation with ribs.

A

Coastal Facets

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25
Q

Much smaller on thoracic vertebrae, narrower, rounded.

A

Round Vertebral Foramen

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26
Q

On thoracic vertebrae, prominent, projects posterior/inferior.

A

Long spinous process

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27
Q

Cushions between vertebral each vertebral body in the spine. Absorb shock.

A

Intervertebral discs

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28
Q

How many layers do the symphyses between vertebral bodies have?

A

2 layers

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29
Q

1 of the layers of the symphyses, outer= thick collagen layer, inner= fibro-connective tissue layer

A

Anulus Fibrous

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30
Q

inner most layer of the symphyses, gelatinous, filled with fluid.

A

Nucleus Pulposus

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31
Q

Too much pressure on a intervertebral disc results in ?

A

Nuclear propulsion

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32
Q

Hole lateral between each stacked spinal vertebrae, superior & inferior vertebral notch creates it. Allows for exit of spinal nerves.

A

Intervertebral foramen

33
Q

Large, 3 parts. Overall works to rotate the scapular

A

Trapezius

34
Q

Superior contraction of the trapezius=

A

Lift scapula

35
Q

Midline contraction of the trapezius=

A

Adduct Scapula (toward midline)

36
Q

Lower contraction of the scapular

A

Depress scapula

37
Q

What nerve innervates the trapezius?

A

Spinal accessory nerve (C2-C4)

38
Q

Flat large, attaches to humerus

A

Lattissimus Dorsi

39
Q

Action of the latissimus dorsi?

A

Extensor + medially rotates humerus, adduct humerus to body.

40
Q

Elevates scapula

A

Levator Scapulae

41
Q

Contraction of both muscles adducts (brings in) scapula + elevates it.

A

Rhomboid Major & mine

42
Q

What vertebrae is at protruding spinous process?

A

C7

43
Q

What vertebrae is at tip of the iliac crest? (top of hip)

A

L4

44
Q

Root spine of scapula matches up with what vertebrae

A

T7

45
Q

What dermatomes range to the trapezius?

A

C3-T12

46
Q

What dermatomes range to the lattissimus dorsi?

A

T11-S2?

47
Q

What dermatomes range to the Rhomboid Major & minor?

A

C4-T7

48
Q

What three dermatomes aren’t on the posterior view because they have innervate forward to brachial plexus?

A

C1,C5,TI

49
Q

Attaches to occipital bone & back of spinous process of T3

A

Splenius Capitis

50
Q

Attaches from transverse process of the cercival vertebrae and spinous process of thoracic vertebrae

A

Splenius cervicis

51
Q

Bilaterally the splenius capitis and cervisis have what action?

A

Flex the head

52
Q

Unilateral Action of splenius capitis?

A

Contract right to rotate head right

53
Q

Unilateral Action of splenius cervicis?

A

Contract to extend the head back

54
Q

Outermost muscle of the deep, extends out and attaches to ribs

A

Illiocostalis

55
Q

Middle, from transverse process to transverse process

A

Longissimus

56
Q

Muscle next to spinal column, spinous process to to spinous process.

A

Spinalis

57
Q

What is the bilateral action of the Erector spinale muscles?

A

Back extension, support upright position

58
Q

Unilateral action of the Erector spinae muscles?

A

Side bending

59
Q

Muscles of both runs down to the transverse process.

A

Transversospinals muscles

60
Q

Muscle in the cervical region, beneath splenius capitis, attaches to occipital bone.

A

Semispinalis Capitis

61
Q

Bilateral action of the semispinalis capitis

A

Movement of head backwards

62
Q

unilateral action of the semispinalis capitis

A

Flex to the left move head to the right

63
Q

In cervical region, attach to the cervical vertebrae.

A

Semispinalis Cervicis

64
Q

Bilateral action of the semispinalis crevisis

A

movement of neck back

65
Q

unilateral action of the semispinalis cervicis

A

flex to the left move neck to the right

66
Q

-rectus capitis posterior major
-rectus capitis posterior minor
-oblique capitis superior
-oblique capitis inferior

are the 4 what?

A

4 muscles in the sub occipital triangles

67
Q

muscle that attaches to the occipital bone, in the subox triangle

A

Rectus capitis posterior major

68
Q

Attachment of the Rectus capitis posterior major:

A

Occipital bone & spinous process of C2 AXIS

69
Q

Action of the Rectus capitis posterior major:

A

Extend the head back (bilateral), rotate head to the side (unilateral)

70
Q

muscle that attaches to the posteior arch of the atlas C1 in the subox triangle

A

Rectus Capitis posterior minor

71
Q

Action of the Rectus capitis posterior minor:

A

Extend head back (bilateral), tiny rotation (unilaterally)

72
Q

muscle that attaches to the occipital bone ti the transverse process of Atlas C1

A

Oblique capitis superior

73
Q

Action of the oblique capitis superior

A

Side bending of head

74
Q

muscle that attaches to the C1 to spinous process of C2

A

Oblique capitis inferior

75
Q

Action of the oblique capitis inferior

A

rotation of head

76
Q

artery that runs through the sub occipital triangles

A

Vertebral artery

77
Q

Innervates all 4 muscles of the subboccipital triangle

A

Posterior ramus of C1

78
Q

Pops out of rectus capitis posterior major

A

Posterior ramus of C2

ANT 1001 Lecture (16 decks)

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