The DEXA, or "Dual X-ray Absorptiometry", is a quick and pain free scan that can tell you a lot about your body. It provides you with an in-depth analysis of your fat tissue, lean mass and bone density. The DEXA is a sleek, inconspicuous machine with an “arm” that branches out over the table that you lay on. Due to its open design patients can comfortably enjoy the test without feeling claustrophobic. It works by sending dual low power x-ray beams that can accurately and precisely differentiate between bone mineral, lean mass and fat mass. The main goal of the DEXA is to provide you with an in-depth analysis of the main components of your body; fat, muscle and bone. After the scan, you will be given a multi-paged print out where you will see percentages, mass, and images accounting for the various data obtained. The great thing about the DEXA scan is that it requires very minimal preparation and is fast (takes about 7-10 minutes). For more accurate results you should make sure you are well hydrated and not have any food in your stomach (at least 3 hours since your last meal).