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Question 1

What are typical ribs? Which ribs are they ? What are their sections?

Answer 1

Ribs: 3-9

They all look the same

Sections: head,neck, tubercle, and body.

Head: Has two openings, One opening connects to the vertebrae with the same number/position as the rib. The other opening connects to the veretbrae above it.
It also connects to the IV disc (cartlige) between both.

Tubercule: connects with the transverse process of the corresponding vertebrae. with the exception of 11 and 12

Costal groove:houses the intercostal vessels and nerves

Question 2

What is the weakest part of a rib that is most prone to injuries?

Answer 2

Infront of the ribs angle

(it makes sense bc that is the part that bends)

Question 3

What are atypical ribs?

Answer 3

Ribs: 1,2,10,11,12

Question 4

What are the characteristics of rib 1?

Answer 4

shortest, flattest, broadest,
most curved. (bc it is number 1)

scalene tubercle for anterior scalene muscle (bc it is 1, an uneven number)

Two grooves: Houses subclavian artery and vein

Question 5

What is the cervical rib?

Answer 5

Mesenchymal or cartilaginous
elongation of the transverse process of the seventh cervical vertebra.

Question 6

What type of Facets do typical thoracic vertebrae have?

Answer 6

T2-T9

Costal Demifacets: Attach the corresponding rib and rib below

Costal facets: On transverse process and Attach to the tubercule of the corresponding rib.

Question 7

What type of Facets do atypical thoracic vertebrae have?

Answer 7

T1, T10-T12

T1:

Complete Facet: To connect to head of Rib 1

Demifacet: To connect to head of rib 2

……………………………………………………………….

T10-T12:

complete facets are on
bodies for articulation with the entire head of the corresponding rib.