ribs Flashcards
1
Q
What are the atypical ribs?
A
1, 2, 11, 12
2
Q
Why is rib 1 atypical?
A
articulates only with T1 and has no angle
3
Q
Why is rib 2 atypical
A
has a large tuberosity on the shaft for the serratus anterior
4
Q
Why are ribs 11 and 12 atypical
A
-they articulate with only the corresponding vertebrae and lack tubercles
5
Q
Why is rib 10 sometimes considered atypical
A
it articulates only with T10
6
Q
What makes a typical rib typical?
A
- Tubercle: articulates with corresponding transverse process
- Head: articulates with the vertebrae above and corresponding vertebra
- neck
- angle
- shaft
7
Q
What are the True ribs and what makes them true
A
-ribs 1-7 attach to the sternum through costal cartilages
8
Q
What are the False ribs and why
A
- 8-12
- Do not attach directly to the sternum