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Resting metabolic rate (RMR) is the amount of calories your body burns while at rest and is essentially the bare minimum amount of energy required by your body to maintain basic functions like circulation and breathing.
RMR testing typically involves breathing into a mouthpiece or a mask connected to a metabolic measurement system. This system analyzes the amount of oxygen consumed and carbon dioxide produced, which allows calculation of energy expenditure.
RMR testing serves several purposes:
Helps determine daily calorie needs for weight loss, maintenance, or gain.
Provides insights into metabolic health and efficiency.
Guides nutrition planning for athletes to optimize energy intake for training and recovery.
Before metabolic testing, avoid caffeine and intense exercise for at least four hours and refrain from eating or drinking (except water) for four hours before the test.
