Ryan performing underwater weighing (hydro-static weighing) to determine body density and subsequently percentage body fat. See how he blows all the air out of his lungs. This is a necessary step as it can affect his buoyancy and therefore the weight measured in the water.
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Body Density and Underwater Weighing
December 30th, 2009 · 1 Comment · Anthropometry
Another excellent video by Dr Anthony Bull, giving an introduction to body composition assessment, particularly the basics of fat, muscle, and body density, and the method of hydrostatic weighing to estimate body density and thus body fat.
