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Old 01-07-2019, 11:24 AM
Hampshire is offline
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Join Date: Jan 2003
Location: Minneapolis
Posts: 10,888
I've been doing the mental method for a few years now. You don't "hold" your breath per se as that puts pressure on your diaphragm. Instead you stop breathing in a completely relaxed state halfway between a full inhale and exhale. Then focusing on controlling your breathing you take very very short inhales and exhales that use as little of your diaphragm muscle as possible.