Analyzes expired air to determine daily energy expenditure.This test determines how many calories one burns at rest. This test requires a overnight fast. Assessment is used to determine the level of energy intake needed to maintain, lose, or gain weight. It also assesses the proportion of fat and carbohydrate being oxidized at one time.
This test requires an overnight fast and that you come in rested, so very little physical activity the morning of your visit and no strenuous exercise in the 24 hours prior