The Chest Wall #2 Flashcards Preview

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Flashcards in The Chest Wall #2 Deck (17):
1

What does the tubercle of the rib attach to?

ligaments

2

What does the art part (facet) attach to?

corresponding transverse process of its own vert

3

What forms costotransverse joint and what type is it?

- art facet of rib attaches to traansvese process of its own vert
- synovial

4

What lies in front of the neck of the rib?

symp chain

5

What is sig about angle of the rib?

marks front + back of chest

6

How does the angle of the rib sep the muscles?

- back muscles attach post. to angle
- ext. + int. ant. muscles attach ant. to shaft

7

What sits int he subcostal groove?

nerovas bundle sits in it

8

What makes the 1st rib atypical?

- short, strong, flat + v.curved
- has tubercle for scalenus ant.
- single facet on head - only art with T1 - therefore not double
- grooves for subclavian artery + vein

9

What makes the 2nd rib atypical?

tubercle for scalenus post.

10

What makes rib 10 sometimes atypical?

may art with T10 vert only instead of 2

11

What makes ribs 11 + 12 atypical?

- do not have tubercles
- do not attach to the sternum
- pointed + flat
- 12th rib has single post. art

12

What is pars interarticularis?

space between inf. + sup. art processes

13

What is joint between sup. + inf. facet?

facet joint

14

List the atypical vert

- 1st
- 10th
- 11th
- 12th

15

How do the true ribs move?

- pump handle
- to become more horizontal
- push chest wall up + out
- inc anteropost. diameter

16

How do the false ribs move?

- bucket handle
- move to side
- inc transverse diameter

17

What happens to the diaphragm during insp.
+ expiration?

- insp: depresses
- exp: expands - inc superoinf. diameter of chest to inc chest capacity