
Fake your Depth
How Exhale and FRC dives can boost your physical and mental preparation for depth If you exhale instead of taking a full breath before diving you can fake your depth. In freediving we prepare our body and mind for longer dives by simply exhaling. A passive exhale at the surface means diving with 50% of your full lung capacity, which equals double the pressure or 2 bar (10 m). Picture showing how pressure normally affect your lungs with a full breath at the surface - a passive