AOS2 sac

Question 1

ATPa

Answer 1

Energy required to contract muscles

Question 2

Key words regarding systems

Answer 2

Rate, yield (amount) and duration and intensity

Question 3

ATP-PC

Answer 3

maximal intensity, short duration eg. 20m sprint

Question 4

Anaerobic glycolysis

Answer 4

high intensity, short duration eg. 400m sprint

Question 5

Aerobic

Answer 5

low intensity, long duration eg. tour of France

Question 6

The different fuels in the body

Answer 6

• PC creatine phosphate
• carbohydrates (glycogen)
• fats
• protien

Question 7

Creatine phosphate

Answer 7

• Produces energy very quickly
• Fast rate, high intensity, low yield
• stored within the muscle
• broken down for anaerobic

Question 8

Carbohydrates

Answer 8

• they begin as glucose but then get transported to the muscles as glycogen
• can be broken down anaerobilly, and aerobically

Question 9

Fats

Answer 9

Fats are used during sub-maximal exercise
- can last hours
- Produce ATP at a very slow rate but a very large yield
- Aerobic

Question 10

Protein

Answer 10

ONLY USED DURNING VERY EXTREME CIRCUMSTANCES OF EXTREME FAMINE.

Question 11

PC

Answer 11

-Very high Intensity 95% + HR MAX
-Duration Very short (approx 10 sees max intensity)
-Rate -> Very fast rate
-Yield -small yield
-By products -Inorganic Phosphate
-Recovery -> passive
70% 30 see 98% in 2-3 mins

Question 12

Anaerobic Glycolysis

Answer 12

-Can be used at high intensity 85-95% HR max or 02 deficit
-Duration -> Short (finne capacity)because of by products
-Rate -> FAST
-Yield -> low yield, approx ZATP
-By product of hydrogen ions
-Recovery -At removed faster if active recovery performed following exercise

Question 13

Aerobic energy system

Answer 13

-Oxygen is required
-Fuel -> carbohydrates, fats, (praten
-Intensity -> low, less than 85% ARMAX
-Duration-slong
-Yield -> high yield, approx 36-38 ATP for glycogen
-By products -> Heat, Co2, water
Recovery -> active

Question 14

Oxygen deficit

Answer 14

oxygen supply is less than demand

Question 15

Steady state

Answer 15

Oxygen supply is equal to demand

Question 16

EPOC

Answer 16

Oxygen supply is greater than demand (will last longer than deficit)

Question 17

Who is the main contributor in steady state

Answer 17

Aerobic as there is enough oxygen to meet demand

Question 18

What happens durning epoc

Answer 18

• Replenish pc stores with excess oxygen
• the removal of hydrgen ions brining body back to pre exercise state

Question 19

Acute responses

Answer 19

• cardio vasular responses