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Health, Exercise & Fitness Year 1 > Energy Systems > Flashcards

Energy Systems Flashcards

1
Q

Phosphagen system pathway

A

Anaerobic - no oxygen

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2
Q

Phosphagen system definition

A

Involves creatine phosphate and the re-generation of ATP

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3
Q

Phosphagen system substrates

A

Creatine phosphate - CP

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4
Q

Phosphagen system amount of ATP

A

Very limited - additional phosphate is provided by CP that is present in the muscles. Creatine kinase acts to break it down and it the P to ADP to make ATP

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5
Q

Phosphagen system Waste/by product

A

No fatiguing waste products
Continually adds P to ADP until levels of CP decrease

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6
Q

Phosphagen system intensity

A

Very high intensity, short duration, 95-100% max effort, 8-10 seconds

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7
Q

Lactic Acid System pathway

A

Anaerobic - no oxygen

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8
Q

Lactic Acid System definition

A

Anaerobic glycolysis involves the splitting of 1 glucose into 2 molecules of pyruvic acid. No oxygen is present so it is converted into lactic acid causing fatigue

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9
Q

Lactic Acid System substrates

A

Glucose & glycogen

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10
Q

Lactic Acid System amount of ATP

A

Limited ATP - 2 ATP

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11
Q

Lactic Acid System waste/by products

A

Lactic acid, fatiguing by product

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12
Q

Lactic Acid System intensity

A

Short duration, high intensity, 60-95% max effort, 1-3 minutes intense exercise

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13
Q

Aerobic System pathway

A

Aerobic - with oxygen

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14
Q

Aerobic System defenition - Glycolysis

A

Splitting of 1 glucose molecule into 2 pyruvic acid molecules

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15
Q

Aerobic System defenition - Krebs cycle

A

Further breakdown of pyruvic acid and the release of more CO2

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16
Q

Aerobic System defenition - ETC

A

Provides the body with the highest amount of ATP per glucose molecule

17
Q

Aerobic System substrates

A

Glycogen & fats
Stage 1 - Glucose
Stage 2 - Acetyl CoA
Stage 3 - Hydrogen

18
Q

Aerobic System Waste/by products

A

No fatiguing waste products
Stage 1 & 2 - CO2
Stage 3 - water

19
Q

Aerobic System amount of ATP

A

Glycolysis - 2 ATP
Krebs Cycle - 2 ATP
ETC - 34 ATP

20
Q

Aerobic System intensity/time

A

Long duration, low intensity, up to 60% max effort, 3 minutes plus (unlimited)

Health, Exercise & Fitness Year 1 (8 decks)

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