boofis Posted June 26, 2012 Share Posted June 26, 2012 Hi all,Has anyone had any word on HS chronicles? Also, am curious as to the physiological basis for flattening the lower back in the HS? I have found alot of resources telling me to flatten my lower back but was just curious as to the 'why' behind this instruction. Thanks! Link to comment Share on other sites More sharing options...
Vagabond Posted June 27, 2012 Share Posted June 27, 2012 It's to align your body in a straight line, and it helps keeping it tight too. Link to comment Share on other sites More sharing options...
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