Mechanics of breathing (inspiration- air in)

Question 1

Memory method

Answer 1

At rest- DR VPA
During exercise- EX DR VPA

Question 2

(EX DR VPA)

Answer 2

EXaggerate EXtra muscles
Diaphragm & EIC’s (sternocleidomastoid, pectoralis minor)
Rib cage movement
Volume (chest cavity)
Pressure (lungs)
Air

Question 3

Diaphragm & EIC’s

Answer 3

Contract (more than at rest)

Question 4

Rib cage movement

Answer 4

Up and out (more than at rest)

Question 5

Volume (chest cavity)

Answer 5

Increases (more than at rest)

Question 6

Pressure (lungs)

Answer 6

Decreases (more than at rest)

Question 7

Air

Answer 7

Air into lungs (more than at rest)

Question 8

Extra muscles for
inspiration during exercise

Answer 8

Sternocleidomastoid
Pectoralis minor