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Cardiovascular Parameters Flashcards

(12 cards)

0
Q

What happens to heart rate at rest with 10 or more weeks of aerobic training?

A

Decreases

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1
Q

What is heart rate at rest?

A

70 beats/min

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2
Q

By what mechanism does heart rate at rest decrease with 10 or more weeks of aerobic training?

A

An increase in parasympathetic innervation

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3
Q

What happens to heart rate during submaximal exercise with 10 or more weeks of aerobic training?

A

Decreases

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4
Q

By what mechanism during submaximal exercise does heart rate decrease with 10 or more weeks of aerobic training?

A

A decrease in sympathetic innervation

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5
Q

How to calculate heart rate during maximal exercise?

A

220-age

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6
Q

What happens to heart rate during maximal exercise with 10 or more weeks of aerobic training?

A

Slight decrease if > 180 prior to training

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7
Q

How is stroke volume expressed?

A

mL/beat

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8
Q

What is stroke volume at rest?

A

70 mL/beat

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9
Q

What happens to stroke volume with 10 or more weeks of aerobic training?

A

Increases, to about 90 mL/beat

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10
Q

By what mechanism does heart rate at maximal exercise decrease with 10 or more weeks of aerobic training?

A

A decrease in sympathetic innervation

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11
Q

By what mechanism does stroke volume at rest increase with 10 or more weeks of aerobic training?

A

The Frank Starling mechanism and an increase in myocardial contractility

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