The Principles of Posture
by Martin Rooney
Date Released : 19 Nov 2007
Over the last year, I have been more consistent with my Jiu Jitsu training. I have had the luxury of working with many of the top black belts in the sport (Renzo Gracie, Ricardo Almeida, Roger Gracie, Kyra Gracie, etc.) and I have also entered competitions. In addition to .......
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