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Calculate daily energy expenditure at rest if V̇O2 = 0.227 L/min and RER = 0.75.

  1. Calculate daily energy expenditure at rest if V̇O2 = 0.227 L/min and RER = 0.75.
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Answer #1

This is a table of thermal equivalent of O2 for non protein RER

Now, given RER = 0.75

Therefore, a RER value of 0.75 is the equivalent of 4.739kcal/L (4.739Kcal are liberated on every one litre of oxygen consumed)

Energy expenditure (kcal/min) = VO2L/min x calorie equivalent = 0.227 L/min x 4.739kcal/L = 1.075753 kcal/min.

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