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

Exercise 8

Calculate net efficiency, given the following:

Resting VO₂ = 0.3 L · min^?1

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Exercise VO₂ = 2.1 L · min^?1 Work rate = 150 W

Step 1 of 4

Efficiency is the capacity to convert energy expenditure into work. It is expressed as the ratio of work done to the energy put in to do the work.

Net efficiency is the mathematical ratio of work output divided by the energy expended above rest. It is expressed as follows: