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PE > The lactic acid system > Flashcards

The lactic acid system Flashcards

1
Q

What activities use the lactic acid system?

A

400M race
Football match
Hockey match
Basketball game

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2
Q

At what kind of intensity is the lactic acid system used?

A

Long bursts of high intensity

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3
Q

For what duration of time will the lactic acid system allow the athlete to work?

A

30-90 seconds

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4
Q

How is ATP produced within the lactic acid system?

A

Anaerobic glycolysis

Glucose is broken down to produce energy

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5
Q

What bi-product is produced as a result of ATP production?

A

Lactic acid

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6
Q

Why is a build up of lactic acid in the body bad?

A

It lowers pH in the blood - more acidic
Aerobic enzymes stop working
Inhibits muscle contraction - causes the athlete pain

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7
Q

How long does it take for 50% recovery?

A

15 mins

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8
Q

How long does it take for 90% removal?

A

1 hour

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9
Q

How long does it take for 100% recovery?

A

2-3 hours

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10
Q

What must you do to allow lactic acid recovery?

A

You must work at a low intensity or stop exercising and rest

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PE (11 decks)

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