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1. a. What do the initials ATP stand for? (1 mark)

    b. What role does ATP play in energy release? (1 mark)

2. Describe the relationship between PC and muscle ATP during a 100m sprint. (3 marks)

3. Describe the special role mitochondria play in energy release. (2 marks)

4. State the predominant energy system being used in the following activities; -

a. Shotput

b. Marathon

c. 200m breaststroke

d. game of hockey

e. 100m hurdles

f. gymnastics vault

g. modern pentathlon

h. a brisk walk (8 marks)

5. With reference to the intensity of exercise explain why it is important to view the energy systems as existing as a continuum. Use examples from sport. (3 marks)

6. We only have sufficient glycogen stored in the body to complete a 10 mile run. Where is the glycogen stored in the body, and explain why endurance athletes can obviously still function for longer than 10 miles (2 marks) 

Total = 20 marks