Here's another way for you to practice some intense core training using your indo board and TRX. Here, Jon Ham is using a Indo Rocker Board to do a 1 Leg Scorpion + Atomic Pushup on the TRX. Fitness On The Run http://www.fitnesstrainingbyjon.com Indo Board http://www.indoboard.com/cart/index.php?main_page=product_info&cPath=2_3&products_id=3&kbid=2093&m=44&i=59 TRX http://www.fitnessanywhere.com/Merchant2/merchant.mvc?Screen=SFNT&AFFIL=2Sk44AI0 Distributed by Tubemogul.