Revision Questions 1. What is the definition of energy and what are the units of measurement? (2) 2. What is a calorie? (2) 3. What is a joule? (1) 4. What is a watt? (1) 5. What is power? (2) 6. Define work. (2) 7. What is ATP and why is it so important for the release of energy in the body? (4) 8. What are the 3 ways in which ATP can be produced? (3) 9. Give an overview of how ATP is produced in the ATP/PCr energy system. (10) 10. Give an overview of how ATP is produced in the lactic acid system (glycolysis) energy system. (10) 11. What causes fatigue from the lactic acid (glycolysis) system? (8) 12. How does lactic acid affect muscular contraction? (4) 13. Give an overview of ATP production in the aerobic system, with reference to each stage of this energy system. (15) 14. Describe the principle of oxygen deficit. (5) 15. What is steady state? (4) 16. How does steady state differ in trained and untrained individuals? (5) 17. Describe the recovery from exercise (EPOC). (6) 18. Why is EPOC greater after strenuous exercise? 19. What are the physiological differences between prolonged exercise, prolonged exercise in a hot environment and short term exercise? (9) 20. What are the metabolic responses to incremental exercise? (4) 21. Discuss how lactate can be used a fuel source during exercise. (5) 22. Explain the Cori cycle for lactate to be used a fuel source during exercise. (3) 23. Discuss the use of the lactate threshold in exercise and the factors that contribute to an increase in lactic acid. (8) 24. Explain the different fuel selections during different exercise intensities. (4) 25. Explain the cross over concept. (4) 26. How does the duration exercise affect fuel selection? (4) 27. How do fats and carbohydrates interact with each other during exercise? (6) 28. Discuss carbohydrate feeding via sports drinks during endurance events. (6) 29. Discuss the different sources of fuel during exercise. (5) 30. Describe the ‘crossover concept’ with regard to exercise intensity and duration. (4)