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Want to get a competition winning back? Then let multiple 212 Mr Olympia and BSN athlete Flex Lewis show you how it's done. He demonstrates some of his favourite back exercises, correct technique and the intensity he uses to build a broad and defined back. He also shares with us tips and tricks that he's learned throughout his career to help get the most out of each exercise. Flex Lewis - 3 x 212 Mr Olympia and BSN Sponsored Athlete