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Thomas Brenden · 12-16-2012, 07:19 PM

The way I've heard it described is you let your belly expand all the way out with a big breath of air, then clamp your abs down tight, so you're squeezing on that air pressure and stabilizing the spine.

12-16-2012, 07:19 PM	#2
Thomas Brenden New Member Join Date: Oct 2012 Posts: 20	The way I've heard it described is you let your belly expand all the way out with a big breath of air, then clamp your abs down tight, so you're squeezing on that air pressure and stabilizing the spine.