Definition of Underwater weighing

1. Weight Gain Shockers Slideshow Pictures
2. Take the Quiz on Belly Fat
3. The Best Diet Tips Ever Slideshow Pictures

Underwater weighing: A method for determining the lean body mass. This method weighs a person underwater and then calculates the lean body mass (muscle) and body fat. This method is one of the more accurate ones. However, it is generally done in special research facilities, and the equipment is costly. Also called hydrostatic weighing.