Practice Quiz

ACSM Personal Trainer

Category - Exercise Programming and Implementation

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Normally, the body’s total expenditure of energy on breathing is about 3%. To what percentage can it increase in highly trained athletes during maximal intensity exercise?
  1. 5%
  2. 8%
  3. 15%
  4. 18%
Explanation
Answer: C - In a highly trained athlete total expenditure for breathing can increase to as much as 15% while performing maximal intensity exercise. Most people will see an increase up to only about 10% during maximal intensity and up to 5% for moderate level intensity exercise.
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