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Spinal anatomy > Unit Three Ribs > Flashcards

Unit Three Ribs Flashcards

1
Q

Function of ribs

A

Serve to protect the underlying thoracic viscera (organs) while providing attachment for the muscles

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2
Q

How many pairs of ribs

A

12

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3
Q

The first 7 pair of ribs attach to costal cartilage that then attaches to

A

Sternum directly

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4
Q

What are the true ribs

A

First 7 pairs

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5
Q

False ribs articulate with

A

Articulate with costal cartilage of the ribs above

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6
Q

What are the false ribs

A

Ribs 8, 9 and 10

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7
Q

Which ones are floating ribs

A

11 an 12

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8
Q

Do floating ribs attach to costal cartilage

A

No

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9
Q

Sternum is made up of

A

Manubrium, body and xyphoid process

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10
Q

What are the four parts of a typical rib

A

Head of rib, neck of rib, tubercle of rib, and shaft/body

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11
Q

The head of the rib articulates with

A

Vertebral bodies and disc

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12
Q

What is in the center of the head of the rib

A

Crest

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13
Q

Where is the neck of the rib

A

Between the head and the tubercle

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14
Q

Function of neck of rib

A

Attachment for muscles and ligaments

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15
Q

The tubercle of a typical rib articulates with

A

The TVP of the vertebra

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16
Q

The shaft or the body of the rib extends from

A

Tubercle of the rib to the costal cartilage

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17
Q

How does the shaft of the rib curve

A

Anteriorly and inferiorly

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18
Q

Where is the largest curve of the rib

A

At the angle of the rib

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19
Q

Which ribs are typical ribs

A

T3 through T9

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20
Q

Which are Peculiar ribs

A

T1, T2, 10, 11, 12

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21
Q

Why is T1 rib peculiar

A

Short, flat, strong and lies almost horizontally with little to no angulation

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22
Q

Why is T2 rib peculiar

A

Tuberosity on the superior surface for the attachment of the serratus anterior muscle. It’s 2x the size of the rib #1

23
Q

Why is T10 rib peculiar

A

Only a single face and no crest on the head of the rib

24
Q

Why is T11 rib peculiar

A

Only a single face and no neck or tubercle, no TVP attachments

25
Why is T12 rib peculiar
Only a single facet, no neck or tubercle, no TVP attachment
26
The ribs articulate with the vertebra at what two places
Costocoporeal articulation and costotransverse articulation
27
What is the costocoporeal articulation
The head of the rib with the lateral costal facets on the vertebral body
28
What is the costotransverse articulation
At the tubercle of the rib with the fovea costalis transversalis of the TVP of the vertebra
29
In the thoracic spine, the ribs articulate with vertebrae at both the
Body and the TVPs
30
Where are the facets on the T2-9 thoracic vertebra for the costovertebral joints
Facets superiorly and inferiorly at the posterior aspect of the body
31
What vertebral bodies have only one costal facet
T1, 10, 11, 12
32
What are the three ligaments fo the costcoporeal articulation
Intraarticular, articular capsule and radiate ligament
33
Where is the intraarticular ligament
From the crest of the head of the rib to the intervertebral disc
34
The intraarticular ligament separates the
Articular facet into 2 parts (superior and inferior)
35
Where is the articular capsule in the costocoporeal articulation
Surrounds the joint and glands into the intervertebral disc
36
AKA of radiate ligament
Triradiate or stellate ligament
37
What are the three parts of the radiate ligament
Superior, middle and inferior fasciculus
38
What are the four ligaments of the costotransverse articulation
Articular capsule, superior costotransverse ligament, costotransverse ligament, and lateral costotransverse ligament
39
Where is the articular capsule of the costotransverse articulation
Surrounds joint between the TVP and rib
40
Where is the superior costotransverse ligament
Anterior and posterior part from neck of the rib to inferior border of the TVP above
41
AKA of costotransverse ligament
Middle costotransverse, interosseous or ligament of the neck of the rib
42
Where is the middle costotransverse ligament
From posterior part of the neck of the rib to the anterior part of the adjacent TVP of the vertebra
43
Where is the lateral costotransverse ligament
From the tip of the TVP to the tubercle of the rib just behind where it articulates
44
Where is the spine has the greatest rotation
Thoracic spine
45
Why is there least ROM overall in T spine
Due to overlapping spinous process, attachment of ribs to sternum and kyphotic curve, thinner intervertebral discs
46
What movements are there in the thoracic spine
Flexion, lateral flexion, rotation and very little extension
47
Where is the superior costotransverse ligament
Anterior and posterior part from neck of the rib to inferior border of the TVP above
48
AKA of costotransverse ligament
Middle costotransverse, interosseous or ligament of the neck of the rib
49
Where is the middle costotransverse ligament
From posterior part of the neck of the rib to the anterior part of the adjacent TVP of the vertebra
50
Where is the lateral costotransverse ligament
From the tip of the TVP to the tubercle of the rib just behind where it articulates
51
Where is the spine has the greatest rotation
Thoracic spine
52
Why is there least ROM overall in T spine
Due to overlapping spinous process, attachment of ribs to sternum and kyphotic curve, thinner intervertebral discs
53
What movements are there in the thoracic spine
Flexion, lateral flexion, rotation and very little extension

Spinal anatomy (18 decks)

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