LO5: energy systems

Question 1

what are the two anaerobic systems?

Answer 1

ATP-PC system
lactic acid system

Question 2

what is the name of the only aerobic system?

Answer 2

aerobic system

Question 3

what intensity and duration is the ATP-PC system?

Answer 3

very high intensity
short duration

Question 4

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

Answer 4

high intensity
medium duration

Question 5

what intensity and duration is the aerobic system?

Answer 5

low intensity
long duration

Question 6

example sport in which the ATP-PC systems used:

Answer 6

100m fly sprint

Question 7

example sport in which the lactic acid system is used:

Answer 7

400/800 m run

Question 8

example sport in which the aerobic system is used?

Answer 8

marathon run

Question 9

where is glycogen stored?

Answer 9

within the liver and muscles

Question 10

what type of carbohydrate is glycogen?

Answer 10

complex carbohydrate

Question 11

what type of carbohydrate is glucose?

Answer 11

a simple carbohydrate
- aka simple sugar

Question 12

What is ATP’s purpose?

Answer 12

Provide energy for cells

Question 13

What is meant by an exothermic reaction?

Answer 13

Giving off energy

Question 14

What is an endothermic reaction?

Answer 14

One that requires energy

Question 15

Advantages of the ATP-PC system?

Answer 15

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

Question 16

Disadvantages of ATP-PC system?

Answer 16

• only lasts 10s
• only 1 ATP: limited

Question 17

Advantages of the lactic acid system?

Answer 17

• 2 ATP’s, more
• no 02 requirement

Question 18

Disadvantages of lactic acid system?

Answer 18

• lactic acid
• intensity dependant from 30s to 3mins

Question 19

Advantages of the aerobic system?

Answer 19

• 36 ATP, high ratio
• non fatiguing

Question 20

Disadvantages of the aerobic system?

Answer 20

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

Question 21

What are the alternative fats the aerobic system uses?

Answer 21

Triglycerides
Palmtic acid

Question 22

What’s meant by threshold?

Answer 22

Experiencing change
- one energy system domiantining another

Question 23

What is the fast component also known as?

Answer 23

Alactacid

Question 24

What is the slow component also known as?

Answer 24

Lactacid

Question 25

Aim of alactacid?

Answer 25

Replenish PC stores

Question 26

How fast are PC stores replenished?

Answer 26

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

Question 27

Aim of lactacid?

Answer 27

Replenish glycogen stores and remove lactic acid

Question 28

How is lactic acid removed and glycogen replenished?

Answer 28

The reversal of glycolysis The cori cycle

Question 29

What is the processes of the cori cycle?

Answer 29

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

Question 30

Important of lactic acid?

Answer 30

Energy source particularly for the heart

Question 31

What does EPOC stand for?

Answer 31

Excessive post exercise oxygen consumption

Question 32

What are the two components of EPOC?

Answer 32

Fast: alactacid Slow: lactacid

Question 33

How are PC stores replenished?

Answer 33

Using energy from the aerobic to reverse the og exothermic reaction

Question 34

Equation of PC replenishment:

Answer 34

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

Question 35

How much oxygen is used to replenish PC?

Answer 35

3 to 4 litres

Question 36

What's meant by oxygen deficit:

Answer 36

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

Question 37

how long does the slow component take?

Answer 37

30 mins to 3 hrs

Question 38

how much 02 is used during the slow component?

Answer 38

5-10 l

Question 39

how much 02 does the fast component use?

Answer 39

3-4 l

Question 40

what does lactacid replenish?

Answer 40

glycogen stores through the removal of lactic acid

Question 41

what does alactacid replenish?

Answer 41

PC