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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
Q

Why is T12 rib peculiar

A

Only a single facet, no neck or tubercle, no TVP attachment

26
Q

The ribs articulate with the vertebra at what two places

A

Costocoporeal articulation and costotransverse articulation

27
Q

What is the costocoporeal articulation

A

The head of the rib with the lateral costal facets on the vertebral body

28
Q

What is the costotransverse articulation

A

At the tubercle of the rib with the fovea costalis transversalis of the TVP of the vertebra

29
Q

In the thoracic spine, the ribs articulate with vertebrae at both the

A

Body and the TVPs

30
Q

Where are the facets on the T2-9 thoracic vertebra for the costovertebral joints

A

Facets superiorly and inferiorly at the posterior aspect of the body

31
Q

What vertebral bodies have only one costal facet

A

T1, 10, 11, 12

32
Q

What are the three ligaments fo the costcoporeal articulation

A

Intraarticular, articular capsule and radiate ligament

33
Q

Where is the intraarticular ligament

A

From the crest of the head of the rib to the intervertebral disc

34
Q

The intraarticular ligament separates the

A

Articular facet into 2 parts (superior and inferior)

35
Q

Where is the articular capsule in the costocoporeal articulation

A

Surrounds the joint and glands into the intervertebral disc

36
Q

AKA of radiate ligament

A

Triradiate or stellate ligament

37
Q

What are the three parts of the radiate ligament

A

Superior, middle and inferior fasciculus

38
Q

What are the four ligaments of the costotransverse articulation

A

Articular capsule, superior costotransverse ligament, costotransverse ligament, and lateral costotransverse ligament

39
Q

Where is the articular capsule of the costotransverse articulation

A

Surrounds joint between the TVP and rib

40
Q

Where is the superior costotransverse ligament

A

Anterior and posterior part from neck of the rib to inferior border of the TVP above

41
Q

AKA of costotransverse ligament

A

Middle costotransverse, interosseous or ligament of the neck of the rib

42
Q

Where is the middle costotransverse ligament

A

From posterior part of the neck of the rib to the anterior part of the adjacent TVP of the vertebra

43
Q

Where is the lateral costotransverse ligament

A

From the tip of the TVP to the tubercle of the rib just behind where it articulates

44
Q

Where is the spine has the greatest rotation

A

Thoracic spine

45
Q

Why is there least ROM overall in T spine

A

Due to overlapping spinous process, attachment of ribs to sternum and kyphotic curve, thinner intervertebral discs

46
Q

What movements are there in the thoracic spine

A

Flexion, lateral flexion, rotation and very little extension

47
Q

Where is the superior costotransverse ligament

A

Anterior and posterior part from neck of the rib to inferior border of the TVP above

48
Q

AKA of costotransverse ligament

A

Middle costotransverse, interosseous or ligament of the neck of the rib

49
Q

Where is the middle costotransverse ligament

A

From posterior part of the neck of the rib to the anterior part of the adjacent TVP of the vertebra

50
Q

Where is the lateral costotransverse ligament

A

From the tip of the TVP to the tubercle of the rib just behind where it articulates

51
Q

Where is the spine has the greatest rotation

A

Thoracic spine

52
Q

Why is there least ROM overall in T spine

A

Due to overlapping spinous process, attachment of ribs to sternum and kyphotic curve, thinner intervertebral discs

53
Q

What movements are there in the thoracic spine

A

Flexion, lateral flexion, rotation and very little extension

Spinal anatomy (18 decks)

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