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ANT 1001 Lecture > Anatomy-Back > Flashcards

Anatomy-Back Flashcards

(78 cards)

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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
Much smaller on thoracic vertebrae, narrower, rounded.
Round Vertebral Foramen
26
On thoracic vertebrae, prominent, projects posterior/inferior.
Long spinous process
27
Cushions between vertebral each vertebral body in the spine. Absorb shock.
Intervertebral discs
28
How many layers do the symphyses between vertebral bodies have?
2 layers
29
1 of the layers of the symphyses, outer= thick collagen layer, inner= fibro-connective tissue layer
Anulus Fibrous
30
inner most layer of the symphyses, gelatinous, filled with fluid.
Nucleus Pulposus
31
Too much pressure on a intervertebral disc results in ?
Nuclear propulsion
32
Hole lateral between each stacked spinal vertebrae, superior & inferior vertebral notch creates it. Allows for exit of spinal nerves.
Intervertebral foramen
33
Large, 3 parts. Overall works to rotate the scapular
Trapezius
34
Superior contraction of the trapezius=
Lift scapula
35
Midline contraction of the trapezius=
Adduct Scapula (toward midline)
36
Lower contraction of the scapular
Depress scapula
37
What nerve innervates the trapezius?
Spinal accessory nerve (C2-C4)
38
Flat large, attaches to humerus
Lattissimus Dorsi
39
Action of the latissimus dorsi?
Extensor + medially rotates humerus, adduct humerus to body.
40
Elevates scapula
Levator Scapulae
41
Contraction of both muscles adducts (brings in) scapula + elevates it.
Rhomboid Major & mine
42
What vertebrae is at protruding spinous process?
C7
43
What vertebrae is at tip of the iliac crest? (top of hip)
L4
44
Root spine of scapula matches up with what vertebrae
T7
45
What dermatomes range to the trapezius?
C3-T12
46
What dermatomes range to the lattissimus dorsi?
T11-S2?
47
What dermatomes range to the Rhomboid Major & minor?
C4-T7
48
What three dermatomes aren't on the posterior view because they have innervate forward to brachial plexus?
C1,C5,TI
49
Attaches to occipital bone & back of spinous process of T3
Splenius Capitis
50
Attaches from transverse process of the cercival vertebrae and spinous process of thoracic vertebrae
Splenius cervicis
51
Bilaterally the splenius capitis and cervisis have what action?
Flex the head
52
Unilateral Action of splenius capitis?
Contract right to rotate head right
53
Unilateral Action of splenius cervicis?
Contract to extend the head back
54
Outermost muscle of the deep, extends out and attaches to ribs
Illiocostalis
55
Middle, from transverse process to transverse process
Longissimus
56
Muscle next to spinal column, spinous process to to spinous process.
Spinalis
57
What is the bilateral action of the Erector spinale muscles?
Back extension, support upright position
58
Unilateral action of the Erector spinae muscles?
Side bending
59
Muscles of both runs down to the transverse process.
Transversospinals muscles
60
Muscle in the cervical region, beneath splenius capitis, attaches to occipital bone.
Semispinalis Capitis
61
Bilateral action of the semispinalis capitis
Movement of head backwards
62
unilateral action of the semispinalis capitis
Flex to the left move head to the right
63
In cervical region, attach to the cervical vertebrae.
Semispinalis Cervicis
64
Bilateral action of the semispinalis crevisis
movement of neck back
65
unilateral action of the semispinalis cervicis
flex to the left move neck to the right
66
-rectus capitis posterior major -rectus capitis posterior minor -oblique capitis superior -oblique capitis inferior are the 4 what?
4 muscles in the sub occipital triangles
67
muscle that attaches to the occipital bone, in the subox triangle
Rectus capitis posterior major
68
Attachment of the Rectus capitis posterior major:
Occipital bone & spinous process of C2 AXIS
69
Action of the Rectus capitis posterior major:
Extend the head back (bilateral), rotate head to the side (unilateral)
70
muscle that attaches to the posteior arch of the atlas C1 in the subox triangle
Rectus Capitis posterior minor
71
Action of the Rectus capitis posterior minor:
Extend head back (bilateral), tiny rotation (unilaterally)
72
muscle that attaches to the occipital bone ti the transverse process of Atlas C1
Oblique capitis superior
73
Action of the oblique capitis superior
Side bending of head
74
muscle that attaches to the C1 to spinous process of C2
Oblique capitis inferior
75
Action of the oblique capitis inferior
rotation of head
76
artery that runs through the sub occipital triangles
Vertebral artery
77
Innervates all 4 muscles of the subboccipital triangle
Posterior ramus of C1
78
Pops out of rectus capitis posterior major
Posterior ramus of C2

ANT 1001 Lecture (16 decks)

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