1. chapter 28
Exercise Physiology

2. Energy and Work Immediate sources of energy
ATP
Creatine phosphate (CP)
Short-term sources of energy
Glycolysis (anaerobic)
Glucose  2 pyruvic acid + 2 ATP
Long-term sources of energy
Aerobic metabolism
Mitochondria

3. Interaction of Exercise Intensity and Duration

4. Muscle Structure
Reprinted from A.J. Vander, J.H. Sherman, and D.S. Luciano, 1980, Human physiology, 3rd ed. (New York: McGraw-Hill, Inc.), 212, 216, with permission of The McGraw-Hill Companies.

5. Cross-Bridge Movement in Muscle Contraction
Reprinted from A.J. Vander, J.H. Sherman, and D.S. Luciano, 1985, Human physiology, 4th ed. (New York: McGraw-Hill, Inc.), 263, with permission of The McGraw-Hill Companies.

6. Muscle Excitation–Contraction Coupling
Reprinted from A.J. Vander, J.H. Sherman, and D.S. Luciano, 1985, Human physiology, 4th ed. (New York: McGraw-Hill, Inc.), 263, with permission of The McGraw-Hill Companies.

7. Muscle Fiber Type Recruitment
Reprinted, by permission, from D.G. Sale, 1987, “Influence of exercise and training on motor unit activation,” Exercise and Sport Sciences Reviews 15: 99.

8. Measuring Oxygen Uptake

9. Effect of Exercise Intensity on Metabolism

10. Effect of Exercise Duration on Metabolism

11. Oxygen Deficit and Oxygen Debt

12. Heart Rate and Pulmonary Ventilation Responses to Submaximal Work

13. Effect of Training on Oxygen Uptake Response to Graded Exercise

14. Effect of Training on Lactate Threshold

15. Effect of Training on Pulmonary Ventilation Response to Graded Exercise

16. Effect of Training on Heart Rate Response to Graded Exercise

17. Effect of Training on Stroke Volume Response to Graded Exercise

18. Effect of Training on Cardiac Output Response to Graded Exercise

19. Effect of Training on Oxygen Extraction Response to Graded Exercise

20. Effect of Training on Blood Pressure Response to Graded Exercise

21. Comparison of the Rate–Pressure Product During Leg and Arm Work
Adapted from American Heart Journal, Vol. 94, J. Schwade, C.G. Blomqvist, and W. Shapiro, “A comparison of the response in arm and leg work in patients with ischemic heart disease,” pp , Copyright 1977, with permission from Elsevier.

22. Specificity of Training: Lack of Transfer of Training

23. Effects of Detraining
Adapted from E.F. Coyle, 1984, “Time course of loss of adaptations after stopping prolonged intense endurance training,” Journal of Applied Physiology 57: Used with permission.

24. Effects of Detraining on Heart Rate and Lactate Responses to Submaximal Work

25. Comparison of Men and Women Working at Same Absolute Exercise Intensity
Reprinted, by permission, from P.-O. Åstrand and K. Rodahl, 1986, Textbook of work physiology, 3rd ed. (New York: McGraw-Hill), 200.

26. Heart Rate and Blood Pressure Responses to Static and Dynamic Work
“Muscular factors which determine the cardiovascular responses to sustained and rhythmic exercise”-- Reprinted from CMAJ 25-Mar-67; Vol. 96, Pages by permission of the publisher. Copyright 1967 CMA Media Inc.

27. Blood Pressure Responses to Weightlifting

28. Core Temperature Responses to Exercise of Different Intensities

29. Importance of Evaporation As Heat-Loss Mechanism in Heavy Exercise

30. Importance of Evaporation As Heat-Loss Mechanism in High Environmental Temperatures