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Yr 12 PE > 02a. Energy Systems - ATP-CP system > Flashcards

02a. Energy Systems - ATP-CP system Flashcards

1
Q

What releases the energy for muscular contraction?

A

The high energy bond between the second and third phosphate in ATP breaking apart.

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2
Q

The high energy bond between the second and third phosphate in ATP breaking apart results in what?

A

Muscle contraction

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3
Q

What is the rate of the ATP - CP system?

A

Very high

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4
Q

Which energy system has the highest rate?

A

ATP-CP

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5
Q

What is the intensity of the ATP-CP system?

A

95%MHR +

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6
Q

Which energy system is contributing most significantly at intensities 95% MHR+?

A

ATP-CP

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7
Q

What is the yield of the ATP-CP system?

A

very low (0.7mmol)

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8
Q

Which energy system has the lowest yield?

A

ATP-CP

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9
Q

What is the cause of fatigue for events that the ATP-CP system contributes most significantly to?

A

Depletion of CP

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10
Q

What is the duration the ATP-CP system contributes most significantly for (after sufficient rest)

A

7-10 seconds

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11
Q

What type of recovery is associated with the ATP-CP system?

A

Passive

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12
Q

Describe passive recovery

A

very low/limited movement eg. standing still/walking

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13
Q

Why is passive recovery best for the ATP-CP system?

A

As it replenishes CP QUICKLY/RAPIDLY

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14
Q

When is the ATP-CP system contributing most signicantly?

A

initial efforts after sufficient recovery
high intensity efforts after sufficient recovery

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15
Q

What is the fuel of the ATP-CP system?

A

Creatine phosphate (CP)

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16
Q

What are the by products of the ATP-CP system?

A

ADP and Pi (inorganic phosphates)

17
Q

How much does the ATP-CP system contribute in a sprint to the line of a 5km run?

A

Minimal - it has a finite capacity that was exhausted at start

18
Q

How long is required for fully depleted CP to be fully replenished using passive recovery?

A

3-5mins

19
Q

Which letter is most likely to represent the ATP-CP system in a 200m sprint?

A

A

Anaerobic glycolysis contirbutes most significantly, ATP-CP second

20
Q

Which letter is most likely to represent the ATP-CP system in an 800m run?

A

B

Aerobic most significant then AG, CP least

21
Q

Which letter is most likely to represent the ATP-CP system in 110m hurdles?

A

C

Yr 12 PE (31 decks)

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