the mechanics of breathing Flashcards
1
Q
what muscles are used during inspiration at rest?
A
diaphragm
external intercostals
2
Q
what muscles are used during inspiration during exercise?
A
diaphragm
external intercostals
sternocleidomastoid
scalenes
pectoralis major
3
Q
what muscles are used during expiration at rest?
A
passive: diaphragm and intercostals just relax
4
Q
what muscles are used during expiration during exercise?
A
abdominals
internal intercostals