Mechanics Of Breathing Flashcards

1
Q

What muscles are involved inbreathing at rest

A

Intercostal muscles, diaphram

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2
Q

What additional muscles are involved in breathing during exercise

A

Pectorals, abdominals, sternocleidomastoid

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3
Q

What happens to your diaphragm during inhalation

A

It contracts and moves down and flatterns

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4
Q

What happens to your diaphragm during exhalation

A

Diaphragm relaxes and moves up and creates a dome shape

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5
Q

Why are abdominals used during exhalation in exercise

A

They are used to pull down the rib cage and force air out of the lungs and speed up expiration

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6
Q

Why is the chest cavity increased during inhalation

A

So more air can enter the lungs

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7
Q

Define tidal volume

A

The amount of air inhaled and exhaled breath

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8
Q

Define Vital capacity

A

The amount of air that can forcibly breath in and out

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9
Q

Define Residual volume

A

Amount of air left in the lungs after maximum air out

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10
Q

Define Expiratory reserve volume

A

Amount of air can be breathed out after a normal breath

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11
Q

Define Inspiratory reserve volume

A

Amount of air that can be breathed in after a normal breath

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