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ACSM Personal Trainer

Category - Exercise Programming and Implementation

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At rest, what percent of the body’s energy expenditure is used for breathing?

Explanation

Answer: A - At rest, about 3% of the body’s energy expenditure is used for breathing. During moderate intensity exercise, this increases to between 3 and 5%. In very high intensity activity, the expenditure can increase to 10% or even 15% in trained athletes.

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