TSPINE and RIBS Review Flashcards

1
Q

The lateral costal facets of the thoracic vert articulate with what?

A

articulate with head of rib & tubercle

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2
Q

The thoracic vert has a “waisted cylinder” anterior predisposing these bodies to what?

A

predispose vert to compression fractures with axial loading

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3
Q

What is often seen at the transition zones with C and L spine?

A

area of breakdown with repetitive stress over time

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4
Q

The 4th thoracic vert is what shape?

A

Heart shaped

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5
Q

Thoracic vert are hollow in what areas that predisposed the bodies to compression fractures?

A

Anterior and lateral

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6
Q

With thoracic kyphosis, CoM moves in which directions increasing the magnitude of moment arm at mid-thoracic spine?

A

Anterior

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7
Q

Transverse costal facets are found on all thoracic vert except which ones?

A

All except lower 2-3

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8
Q

T/F Transverse processes will shorten as we move caudally.

A

True

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9
Q

The spinous process of thoracic vert project in which direction?

A

Project caudally

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10
Q

Describe the thickness of pedicles of thoracic vert as you move caudally:

A

Increase in thickness

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11
Q

Describe the inferior and superior notch of the pedicles of thoracic vert:

A

Deep inferior notch

shallow superior notch

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12
Q

The vert spinal foramen of the thoracic vert is what shape/size?

A

small and circular

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13
Q

The transverse process of thoracic vert is a level of spinous process of more (caudal/cranial) thoracic vert.

A

more cranial

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14
Q

Which ribs are considered true ribs?

A

1-7

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15
Q

Which ribs are false ribs?

A

8-12

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16
Q

Ribs 8-10 will joint the coast cartilage of more (inferior/superior) vert.

A

More superior segment

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17
Q

Which ribs are free floating?

A

11-12 (rib 10 35-70% of individuals)

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18
Q

What are the common abnormalities of the cervical rib?

A
  • Length varies
  • May be free-floating or join with 1st rib, costal cartilage, or sternum
  • Commonly unilateral
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19
Q

The anatomic abnormalities of the cervical rib can cause what issues?

A

Compression of neurovascular structures between cervical rib and anterior scalene

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20
Q

The sternum consists of what 3 parts?

A

Manubrium
Body
Xiphoid process

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21
Q

The sternum slopes in what direction?

A

Down and slightly forward

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22
Q

How many articulations of a normal thoracic vert? (name them)

A

(2) intervertebral joints
(2) superior articular processes
(2) inferior articular processes
(2) transverse costal facet
(2) superior costal facet
(2) inferior costal facet

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23
Q

What facet variances of T1?

A
  • Has facets for articulation with whole facets of the first rib
  • an inferior facet for articulation with part of the 2nd rib
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24
Q

What variances of T9?

A

often fails to articulate with the 10th ribs- inferior costal facets are absent

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25
Q

What variances of T10?

A
  • superior costal facets only, as the only costal articulation is with the 10th ribs
  • Also may or may not have a facet for the tubercle of the 10th rib
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26
Q

What variances of T11?

A
  • costal facet close to the upper border of the body and extend onto the pedicles
  • No articular facet on transverse processes
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27
Q

What variances of T12?

A

circular facet on body (articulates with head of rib 12)

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28
Q

Describe the superior articular processes of the T vert:

A

Oval
Slightly convex
Orientation: face posteriorly and slightly superiolaterally

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29
Q

Describe the inferiorr articular processes of the T vert:

A

Oval
Flat/ slightly concave
Orientation: face anterior and slightly inferiomedially

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30
Q

The zygapophysial joints of T vert are innervated by what?

A

Medial branch of dorsal rami

31
Q

what are the referral patterns of c7/T1? (3 seperate)

A

Posterior delt
medial wall scapula
upper trap

32
Q

what are the referral patterns of T1/2?

A

Continuous from angle of scapula to upper trap

33
Q

what are the referral patterns of T2/3?

A

Lower half of medial border of scapula

34
Q

what are the referral patterns of T11/12?

A

Paraspinal muscles T9-L1

Iliac crest

35
Q

Costal head with vert is what type of joint?

A

Synovial joint (roll and glide)

36
Q

T/F Costal head articulates with the vertebral bodies as well as the disc.

A

True

37
Q

Rib 2-9 will articulate with which T vert bodies?

A

Superior and inferior bodies

38
Q

Which ribs have costotransverse ribs?

A

1-10 (sometimes not with ten)

39
Q

Describe orientation of TP and rib within the costotransverse joint:

A

Concave TP

Convex Rib

40
Q

The radiate ligament of the joints of costal heads includes how many bands? What are they and what do they insert on?

A

3 bands:

  • superior band and inferior band insert into adjacent vertebrae
  • intermediate band inserts into annulus fibrosus
41
Q

What does the superior costotransverse ligament of the costotransverse joint attach to?

A

Inferior border of transverse process -> superior border of neck of underlying rib
- Thick, strong, flat, quadrilateral

42
Q

The costotransverse joint is innervated by what?

A

Lateral branch of dorsal rami

43
Q

What posterior longitudinal ligament spans from where to where? Blends with what membrane near the cranium?

A

Blends with tectoral membrane

Spans from posterior body of C2 to sacrum

44
Q

What anterior longitudinal ligament spans from where to where? Blends with what?

A

Span anterior spine

blending with anterior bodies and anulus/end-plates

45
Q

The ligamenta flava attaches what?

A

Adjacent laminae

46
Q

IV Discs of spine are thinnest in (upper/lower) T-Spine

A

Upper

47
Q

Costal cartilage is what type of cartilage giving contributions to what?

A

Hyaline contributing the thoracic mobility and elasticity

48
Q

Anterior ribs 1-7 joint what?

A

Sternum

49
Q

Anterior ribs 8-10 join what?

A

with lower border of the more superior cartilage structure (10 can be a free floater)

50
Q

Sternocostal joint of rib 1 is what type of joint?

A

Synarthrosis

51
Q

Sternocostal joint of rib 2-7 is what type of joint?

A

synovial

52
Q

Sternocostal joint of rib 8-10 is what type of joint?

A

interchondral joints

53
Q

With thoracic extension, upper vert moves in what direction?

A

posteriorly

54
Q

Thoracic extension is limited by what?

A

Impact of articular processes and SP

Anterior longitudinal ligament

55
Q

What ligaments are slackened with thoracic extension?

A

Posterior longitudinal ligament (PLL) / ligamentum flava/ interspinous ligament slackened

56
Q

With thoracic flexion, superior facet moves in what direction?

A

superior and anterior

57
Q

Thoracic flexion is checked by what?

A
  • PLL
  • ligamenta flava
  • capsular ligaments
  • ligamentum nuchae
58
Q

Lateral flexion of thoracic vert is checked by what?

A

by resistance from ribs and sternum

59
Q

Rotation of thoracic vert is checked by what?

A

less limitation, checked by ribs

60
Q

Axis of rotation in T vert is found where?

A

body

61
Q

T/F Superior transverse facet aids in the rotation of T spine.

A

True

62
Q

When T spine is positioned in flexion/neutral, what is the coupling motion of rotation and lateral flexion?

A

Coupled ipsilaterally

63
Q

When T spine is positioned in extension, what is the coupling motion of rotation and lateral flexion?

A

contralaterally coupled

64
Q

Respiration in the upper ribs (pump handle) causes movement in what directions?

A

coronal plane: A-P

65
Q

Respiration in the lower ribs (bucket handles) causes movement in what directions?

A

sagittal plane: increase transverse diameter

66
Q

How does normal expiration occur?

A
  • passive due to recoil of thorax resulting from elasticity of osteochondral components and pulmonary structures
  • Internal intercostals
67
Q

What are the accessory expiratory muscles?

A
  • Abdominal Muscles: rectus abdominis, external oblique, internal oblique depress the thoracic outlet
  • Iliocostalis thoracis
  • Longissimus
  • Serratus posterior inferior
  • Quadratus Lumborum
68
Q

How does normal inspiration occur?

A
  • Diaphragm
  • External intercostals
  • Levatores costarium
69
Q

What are the accessory inspiratory muscles?

A
SCM
Scalenes
Pec major
Pec minor
Serratus anterior
Latissimus dorsi
Serratus posterior superior
Iliocostalis cervicis
70
Q

Contraction of diaphragm causes lowering of central tendon which has what effect. vertically? Transverse? A-P?

A

Vertical: lowering the central tendon
Transverse: elevating the lower ribs/ limbs
A-P: elevating the upper ribs with the help of the sternum

71
Q

What muscles included in erector spinae group?

A

Spinalis thoracis
Longissimus thoracis
Iliocostalis thoracis

72
Q

What muscles included in spinotransverse group?

A

Rotatores thoracis
Multifidus
Semispinalis Thoracis (C6-T4 SP to T6-T10 TP)

73
Q

Dermatome around nipples? Around umbilical?

A
Nipples = T4
Umbilical = T10
74
Q

What degree of thoracic kyphosis is normal?

A

20-4-