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Physical education- unit 1 > LO5: energy systems > Flashcards

LO5: energy systems Flashcards

1
Q

what are the two anaerobic systems?

A

ATP-PC system
lactic acid system

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2
Q

what is the name of the only aerobic system?

A

aerobic system

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3
Q

what intensity and duration is the ATP-PC system?

A

very high intensity
short duration

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4
Q

what’s the intensity and duration on the lactic acid system?

A

high intensity
medium duration

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5
Q

what intensity and duration is the aerobic system?

A

low intensity
long duration

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6
Q

example sport in which the ATP-PC systems used:

A

100m fly sprint

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7
Q

example sport in which the lactic acid system is used:

A

400/800 m run

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8
Q

example sport in which the aerobic system is used?

A

marathon run

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9
Q

where is glycogen stored?

A

within the liver and muscles

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10
Q

what type of carbohydrate is glycogen?

A

complex carbohydrate

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11
Q

what type of carbohydrate is glucose?

A

a simple carbohydrate
- aka simple sugar

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12
Q

What is ATP’s purpose?

A

Provide energy for cells

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13
Q

What is meant by an exothermic reaction?

A

Giving off energy

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14
Q

What is an endothermic reaction?

A

One that requires energy

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15
Q

Advantages of the ATP-PC system?

A
  • requires no oxygen
  • immediate with few reactions
  • stored within muscles
  • non fatiguing by products
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16
Q

Disadvantages of ATP-PC system?

A
  • only lasts 10s
  • only 1 ATP: limited
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17
Q

Advantages of the lactic acid system?

A
  • 2 ATP’s, more
  • no 02 requirement
18
Q

Disadvantages of lactic acid system?

A
  • lactic acid
  • intensity dependant from 30s to 3mins
19
Q

Advantages of the aerobic system?

A
  • 36 ATP, high ratio
  • non fatiguing
20
Q

Disadvantages of the aerobic system?

A
  • takes time, 12 to 20 mins
  • only low intensity suited
21
Q

What are the alternative fats the aerobic system uses?

A

Triglycerides
Palmtic acid

22
Q

What’s meant by threshold?

A

Experiencing change
- one energy system domiantining another

23
Q

What is the fast component also known as?

A

Alactacid

24
Q

What is the slow component also known as?

A

Lactacid

25
Q

Aim of alactacid?

A

Replenish PC stores

26
Q

How fast are PC stores replenished?

A

50% in 30 secs
75% in 1 minute
100% in 3 minutes

27
Q

Aim of lactacid?

A

Replenish glycogen stores and remove lactic acid

28
Q

How is lactic acid removed and glycogen replenished?

A

The reversal of glycolysis
The cori cycle

29
Q

What is the processes of the cori cycle?

A

Removed through the liver where its converted into glycogen and returned to muscles

30
Q

Important of lactic acid?

A

Energy source particularly for the heart

31
Q

What does EPOC stand for?

A

Excessive post exercise oxygen consumption

32
Q

What are the two components of EPOC?

A

Fast: alactacid
Slow: lactacid

33
Q

How are PC stores replenished?

A

Using energy from the aerobic to reverse the og exothermic reaction

34
Q

Equation of PC replenishment:

A

Creatine + phosphogen + energy ( from the aerobic system ) = PC

35
Q

How much oxygen is used to replenish PC?

A

3 to 4 litres

36
Q

What’s meant by oxygen deficit:

A

The difference between oxygen demand and availability
- what must be paid back later

37
Q

how long does the slow component take?

A

30 mins to 3 hrs

38
Q

how much 02 is used during the slow component?

A

5-10 l

39
Q

how much 02 does the fast component use?

A

3-4 l

40
Q

what does lactacid replenish?

A

glycogen stores through the removal of lactic acid

41
Q

what does alactacid replenish?

A

PC

Physical education- unit 1 (5 decks)

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