Thoracic Cage (Ribs)

Question 1

What does the thorax consist of?

Answer 1

12 thoracic vertebrae (and IVD)
12 pairs of ribs
The sternum

Question 2

Where do the vertebrae articulate with the ribs?

Answer 2

Costal Demi-facets on vertebral body articulate with head of ribs.

Costal facets on TVPs articulate with tubercle on ribs

Question 3

The top of the manubrium is called the …?

Answer 3

Jugular (aka sternal) notch.

Question 4

On the manubrium what is on either side of the jugular notch?

Answer 4

Articular facet (clavicle notch) where manubrium articulates with clavicle

Question 5

What in the sternum is the landmark for rib 2?

Answer 5

Sternal angle (aka angle of Louis). Manubriosternal joint

Question 6

What is along the side of the body of the sternum?

Answer 6

Costal notches for articulation with costal cartilage

Question 7

What is the name of the thin process inferior to the body? At what age does it ossify?

Answer 7

Xiphoid process

Age 40

Question 8

Which ribs are ‘true ribs’?

Answer 8

Ribs 1-7. Have direct connection with sternum via their own costal cartilage

Question 9

Which ribs are ‘false ribs’?

Answer 9

Ribs 8-12 - they connect with sternum via rib 7 costal cartilage)

Question 10

Which ribs are floating ribs?

Answer 10

Ribs 11 and 12. Unattached anteriorly

Question 11

Which ribs are typical ribs?

Answer 11

Ribs 2-10

Question 12

What is on the head of the ribs? What do they articulate with?

Answer 12

2 facets (superior and inferior) articulate with the vertebral bodies above and below

Question 13

Where does the articular facet on the tubercle of the rib articulate with?

Answer 13

TVP of vertebrae

Question 14

What is the angle of the rib?

Answer 14

Where the ribs change from travelling inferiority and posteriorly and laterally begins to travel forward.

Question 15

What is the costal groove for on the ribs?

Answer 15

For the costal nerve

Question 16

How many costal facets are on each vertebrae?

Answer 16

2, superior and inferior

Question 17

What does the transverse costal facet articulate with?

Answer 17

Tubercle of rib of same number

Question 18

Which rib does the superior costal facet articulate with?

Answer 18

Head of rib of same number

Question 19

Which rib does the inferior costal facet articulate with?

Answer 19

Head of rib of inferior rib

Question 20

What are atypical ribs?

Answer 20

Ribs 1, 11 and 12. Articulate with only one vertebral body (numerically corresponding vertebra)
Not connected to a disc
Rib 1 does articulate with corresponding TVP, ribs 11 and 12 DO NOT

Question 21

Which rib is the broadest and most curved and shortest rib?

Answer 21

Rib 1

Question 22

Where does anterior scalene muscle attach?

Answer 22

Scalene tubercle on rib 1

Question 23

Rib 1 has grooves for what?

Answer 23

Grooves for subclavian artery and vein

Question 24

Superior angle of the scapula landmarks with which rib?

Answer 24

Rib 2

Question 25

What does Rib 3 landmark with ?

Answer 25

Root of the spine of the scapula

Question 26

What does the inferior angle of the scapula articulate with?

Answer 26

Rib 7