Ribs

Question 1

where does the head of the rib attach?

Answer 1

to the vertebral body of the same number on the superior costal facet, articulates with the vertebra above on the inferior costal facet

Question 2

neck of the rib

Answer 2

area between head and tubercle

Question 3

costal tubercle attachment

Answer 3

to the transverse process of the vertebra of the same number

Question 4

costal angle

Answer 4

abrupt change in rib curvature

Question 5

costochrondral joint

Answer 5

where the rib meets the costal cartilage

Question 6

sternocostal joint

Answer 6

where the costal cartilage meets the sternum

Question 7

which ribs only articulate with their own vertebra (not the one above)

Answer 7

1, 10, 11, 12

Question 8

which ribs do not have tubercles and do not touch the transverse processes

Answer 8

11, 12

Question 9

atypical ribs

Answer 9

1, 2, 11, 12 (sometimes 10)

Question 10

typical ribs

Answer 10

3-9 (sometimes 10)

Question 11

true ribs

Answer 11

1-7, cartilage attaches to the sternum

Question 12

false ribs

Answer 12

8-12, ribs 8-10 cartilage attaches to the costal cartilage of the rib above

Question 13

floating ribs

Answer 13

11-12, no anterior attachment

Question 14

sternum parts

Answer 14

• manubrium
• sternal angle (angle of Louis, meets rib 2 costal cartilage)
• body (gladiolus)
• xiphoid process

Question 15

anterior scalene insertion and action

Answer 15

insertion: superior surface of rib 1
action: elevates rib 1

Question 16

middle scalene insertion and action

Answer 16

insertion: superior surface of 1st rib
action: elevates 1st rib

Question 17

posterior scalene insertion and actions

Answer 17

insertion: 2nd rib
action: elevates 2nd rib

Question 18

pectoralis minor origin

Answer 18

anterior superior surface of ribs 3,4,5

Question 19

serratus anterior insertion

Answer 19

superior lateral surface of ribs 2-8

Question 20

latissimus dorsi origin

Answer 20

lower 4 ribs

Question 21

quadratus lumborum insertion and action

Answer 21

insertion: inferior aspect of rib 12
action: fixes the 12th rib in inhalation

Question 22

external intercostal action

Answer 22

elevate ribs during forces inspriration

Question 23

internal intercostal and innermost intercostal action

Answer 23

depression of ribs

Question 24

what runs along the costal groove on the inferior side of the rib

Answer 24

Vein (most superior), artery (middle), nerve (inferior), found between the internal intercostal muscle and the innermost intercostal muscle

Question 25

bucket handle motion ribs

Answer 25

1-2, 8-10

move superior and laterally to increase transverse diameter (on AP axis)

Question 26

pump handle motion ribs

Answer 26

3-7

move superior and anterior to increase anterior/posterior diameter (on transverse axis)

Question 27

caliper motion ribs

Answer 27

ribs 11 and 12
move downward and posteriorly with inhalation
move upward and anteriorly with exhalation