What does the Bod Pod specifically measure?

The Bod Pod is a sophisticated device that specifically measures air displacement to calculate body composition. This technology utilizes the principle of air displacement plethysmography, which measures how much air is displaced by a person's body when they sit inside the sealed chamber. By determining the volume of air displaced, the Bod Pod can accurately estimate body density, from which body fat percentage and lean body mass can be derived.

While the Bod Pod indirectly provides information related to body fat percentage, total body water, and bone density, it is the measurement of air displacement that is its primary function. This distinguishes the Bod Pod from other methods of body composition assessment that might focus on different physiological aspects or utilize other measuring technologies.