Muscles Of Respiration Flashcards
1
Q
Diaphragm
A
O: xiphoid process, ribs 7-12, upper lumbar vertebrae
I: central tendon
A: inspiration
N: phrenic nerve
2
Q
External intercostals
A
O: inferior border of ribs 1-11
I: superior border of rib below
A: elevates ribs (increases volume in thorax)
N: intercostal nerves
3
Q
Internal intercostals
A
O: superior border of rib
I: inferior border of next higher rib (2-12)
A: elevates and depresses ribs
N: intercostal nerves
