Re: Research: How to reduce lung residual volume?
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Bill presented a method to measure RV a few years ago. Descend to 10 m (1 atm), exhale fully, return to the surface and exhale again into a container that you can measure (upside down milk carton for example). RV is double the measured volume. You can do it in a pool with different math. Elegant, makes sense, but I get suspiciously low numbers when I try it.
Connor
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