the mechanics of breathing Flashcards

1
Q

what muscles are used during inspiration at rest?

A

diaphragm
external intercostals

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2
Q

what muscles are used during inspiration during exercise?

A

diaphragm
external intercostals
sternocleidomastoid
scalenes
pectoralis major

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3
Q

what muscles are used during expiration at rest?

A

passive: diaphragm and intercostals just relax

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4
Q

what muscles are used during expiration during exercise?

A

abdominals
internal intercostals

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