ribs Flashcards

1
Q

what rib lines up w inferior angle

A

rib 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the true ribs

A

1-7 connect directly to sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the false ribs

A

8-10 dont connect directly to sternum they share costal cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

floating ribs

A

11-12 - not connected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

atypical ribs

A

1,2,10-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

typical ribs

A

3-9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

why is rib 1 different

A

shorter, wider, sharply curved

one articular facet on head (T1)

scalene tubercle for attachment of anterior scalene muscle

grooves for subclavian

attachment for mid scalene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how many facets do ribs 10-12 have

A

one articular facet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is costal cartilage made of

A

made of cartilage cells in a glycoprotein matrix strengthened by collagen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are the intercostals

A

external
internal
innermost

aid in posture and respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the origin/insertion of the external intercostal

A

lower border of ribs
upper borders of ribs below

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

origin / insertion of internal intercostals

A

inner surfaces of ribs and costal cartilage

upper border of adjacent ribs below

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the 3 openings of the diaphragm

A

inferior vena cava (T8)

esophagus (T10)

abdominal aorta (T12)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

O’s and I’s levator costarum

A

TP’s C7-T11
ribs 1-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the rib cage composed of

A

sternum (manubrium, body, xiphoid process)

ribs

joints (costovertebral, costotransverse)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

another name for true ribs

A

vertebrosternal

17
Q

another name for false ribs

A

vertebrochondral

18
Q

another name for floating ribs

19
Q

rib 11,12

A

no neck
only 1 facet

20
Q

where is the infrasternal angle

A

xiphoid process

21
Q

what are the 4 rib joints

A

costovertebral
costotransverse
sternocostal
costochondral

22
Q

sternocostal joint rib 1 type

A

CARTILAGINOUS
synchondrosis
synarthrosis

23
Q

articular surfaces of sternocostal joint

A

costal notch manubrium
anterior end of 1st rIb cartilage

24
Q

articulating surfaces of costovertebral joint

A

facet on vertebral body
rib head facet

25
articulating surfaces of costotransverse joint
TP's costal facet articular facet on tubercle of rib
26
articulating surfaces of sternocostal joint (1st rib)
costal notch manubrium anterior end 1st rib cartilage
27
articulating surfaces of sternocostal joint
costal facet sternum anterior end of 2-7 rib cartilages
28
O's and I's of subclavius
1st rib middle 1/3 clavicle
29
articulating surfaces of costochondral joint
lateral edge of costal cartilage and medial end of rib
30
external intercostals
lower border of ribs upper border of ribs below elevates on inspiration supports intercostal spaces in inspir/expiration intercostal nerves
31
what direction do the external intercostals travel
INFERIOR AND MEDIALLY
32
what direction do the intercostal and innermost fibers run
inferiorly and LATERALLY
33
o/i innermost intercostals
lower border of ribs upper border of rib below origin elevate ribs
34
which intercostals elevate ribs and which other muscle
external, innermost levator costarum
35
during inspiration which muscles contract
diaphragm, external intercostals
36
what causes air to rush into the lungs
diaphragm and external intercostals contract this enlarges the thoracic cavity and elevates ribs
37
what causes air to expire
diaphragm and external intercostals relax causing elastic tissue in lungs to spring back