Exercise Physiology: Theory and Application to Fitness and Performance 9th Edition by Scott Powers, Edward Howley

Exercise 3

List and briefly discuss the major sources of hydrogen ions produced in the muscle during exercise.

Step 1 of 4

High intensity exercise results in a marked decrease in the pH of muscle and blood. This decrease in pH is due to multiple factors, of which the following three are the important contributors:

• Production of carbon dioxide and carbonic acid in the skeletal muscles

• Production of lactic acid

• ATP (adenosine triphosphate) breakdown