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PE > Energy Systems (Chapter 7) > Flashcards

Energy Systems (Chapter 7) Flashcards

1
Q

Fats yield

A

higher

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2
Q

Fats rate

A

lower

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3
Q

Carbohydrates yield

A

lower

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4
Q

Carbohydrates rate

A

higher

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5
Q

Preferred fuel source

A

carbohydrates because easier to break down and requires less oxygen

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6
Q

ATP-PC duration

A

10sec

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7
Q

ATP-PC peak

A

5sec

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8
Q

ATP-PC cause of fatigue

A

depletion of CP and stored ATP

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9
Q

ATP-PC recovery

A

passive; 30 sec 50%, 3min full

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10
Q

Anaerobic Glycolysis duration

A

10-60sec

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11
Q

Anaerobic Glycolysis peak

A

30sec

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12
Q

Anaerobic Glycolysis cause of fatigue

A

build up of by-products

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13
Q

Anaerobic Glycolysis fuel source

A

carbohydrates

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14
Q

Anaerobic Glycolysis recovery

A

active

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15
Q

Aerobic yield

A

highest

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16
Q

Aerobic rate

A

slowest

17
Q

Aerobic duration

A

60sec +

18
Q

Aerobic cause of fatigue

A

using fats as major fuel source

19
Q

Aerobic fuel source

A

glycogen and triglycerides

20
Q

Energy System Interplay

A

all three energy systems working together to contribute to ATP resynthesis. One is predominant over the others depending on intensity and duration

21
Q

Glycaemic Index

A

ranks food on a scale of 0 to 100 according to how much they raise blood sugar over a two-hour period, compared to pure glucose

22
Q

High GI foods

A

white bread, lollies, white rice, broad beans

23
Q

Low GI foods

A

multigrain bread, yoghurt, corn, apples

24
Q

Glycogen sparing

A

allows fats to be used more readily and earlier during performances

25
Q

Fuel during sub-max activity

A

glycogen

26
Q

Fuel during rest

A

fat

27
Q

Fuel during maximal effort

A

PC

28
Q

Glycolysis

A

the break-down of glycogen

29
Q

ATP-PC % of max HR

A

greater than 95%

30
Q

Anaerobic Glycolysis % of max HR

A

85-95%

31
Q

Aerobic % of max HR

A

less than 85%

PE (18 decks)

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