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  • Exercise

by Craig Freudenrich, Ph.D.

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Please copy/paste the following text to properly cite this HowStuffWorks article:

Freudenrich, Ph.D., Craig.  "How Exercise Works"  07 March 2008.  HowStuffWorks.com. <http://health.howstuffworks.com/wellness/diet-fitness/exercise/sports-physiology.htm>  26 May 2012.
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Transformation Diaries

Real women, incredible transformations

Inside this Article
  1. Introduction to How Exercise Works
  2. Your Body's Response to Exercise
  3. Exercise and ATP
  1. Exercise and the Phosphagen System
  2. Exercise and the Glycogen-Lactic Acid System
  3. Exercise and Aerobic Respiration
  4. See more »
    1. What Happens When You Exercise
    2. Muscles and Oxygen
    3. Exercise and Increased Blood Flow
    4. Exercising the Heart and Lungs
    5. Hemoglobin's Role in Exercise
    6. Exercise and Body Heat
    7. Heat Stroke
    8. Training Your Body
    9. Exercise Factors
    10. Resistance Training
    11. Diet and Exercise
    12. Cross Training
    13. Train Where You'll Exercise
    14. More Information on Exercise
    15. See all Exercise articles

More Information on Exercise

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More Great Links

  • University of California: Muscle Physiology
  • Masters Athlete Physiology and Performance
  • Nicholas Institute of Sports Medicine and Athletic Trauma (NISMAT): Exercise Physiology
  • The Gross Physiology of the Cardiovascular System
  • Baer's Physiology Site -- Interactive Education
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Inside this Article
  1. Introduction to How Exercise Works
  2. Your Body's Response to Exercise
  3. Exercise and ATP
  4. Exercise and the Phosphagen System
  5. Exercise and the Glycogen-Lactic Acid System
  6. Exercise and Aerobic Respiration
  7. What Happens When You Exercise
  8. Muscles and Oxygen
  9. Exercise and Increased Blood Flow
  10. Exercising the Heart and Lungs
  11. Hemoglobin's Role in Exercise
  1. Exercise and Body Heat
  2. Heat Stroke
  3. Training Your Body
  4. Exercise Factors
  5. Resistance Training
  6. Diet and Exercise
  7. Cross Training
  8. Train Where You'll Exercise
  9. More Information on Exercise
  10. See all Exercise articles
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