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PDHPE core 2 > How does training affect performance? - ENERGY SYSTEMS > Flashcards

How does training affect performance? - ENERGY SYSTEMS Flashcards

1
Q

What are the three energy systems used by the body?

A

alactacid system (ATP/PC), lactic acid system and the aerobic energy system.

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2
Q

In the alactacid system (ATP/PC), how long does ATP provide energy for?

A

1-2 seconds.

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3
Q

In the alactacid system, when the last phosphate molecule “breaks off” to provide energy what does it leave?

A

ADP, adenosine phosphate. Useless for energy.

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4
Q

What is the lactic acid system for?

A

For activities lasting longer than 10 seconds.

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5
Q

What function does the lactic acid system rely on?

A

The breakdown of carbohydrates to form glucose.

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6
Q

What is the fuel used by the lactic acid system?

A

Glycogen.

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7
Q

In the lactic acid system, what does the breakdown of glycogen lead to the manufacturing of?

A

Two ATP molecules and pyruvic acid.

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8
Q

In the lactic acid system, what is pyruvic acid then converted to?

A

Lactic acid.

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9
Q

What does the aerobic energy system provide for?

A

Activities lasting 2-3 minutes.

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PDHPE core 2 (2 decks)

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