Preparations needed for the test: The main intention of this test is to measure the RMR - Resting Metabolic Rate of an individual. Hence, the person should avoid meals for one and a half hour before the test, avoid the use of stimulants such as caffeine and stop exercising on the day of the test.

The doctor advices you to relax on a bed in a seated position and for about 10 to 15 minutes, you have to breathe through a mask or a mouthpiece. Then after your test, the report will be generated by the machine. The next important part would be the discussion with your doctor where in turn you could come up with the next steps for your diet schedule.