Ribs

Question 1

How many pairs of ribs are there

Answer 1

12

Question 2

How do the ribs articulate

Answer 2

1-7 articulate directly with the sternum, 8-10 connect to cartilage of the rib above and 11-12 are known as floating ribs

Question 3

Where is the head of the rib

Answer 3

This is the swollen proximal part of the rib

Question 4

Where is the articular facet of the head

Answer 4

These are the two articular surfaces on the head, Rib 1 and 10-12 only have one

Question 5

Where is the neck of the rib

Answer 5

This is the short segment between the head and the tubercle

Question 6

Where is the tubercle

Answer 6

This is a medial articular facet below the head of the rib

Question 7

Where is the angle

Answer 7

This is the sharp curve in the bone lateral to the tubercle

Question 8

Where is the costal groove

Answer 8

This is along the medial side of the inferior edge

Question 9

What is the shaft

Answer 9

This is the curve of the rib from the tubercle to the distal end

Question 10

Which is the sternal end of the rib

Answer 10

This is the anterior end of the shaft, this is usually rough and flat but 11-12 are pointed

Question 11

Where is the scalene tubercle of the first rib

Answer 11

This is the bump or point along the inside, in about the middle

Question 12

How would you side a rib

Answer 12

For the first rib the head and neck point inferiorly, for all other ribs the heads point towards the midline and the tubercles are inferior (down)