His goals: To burn maximize fat with minimal muscle loss, and to to get shredded and hard for the stage. In this video bodybuilder and fitness model Rob Riches trains hamstrings. He explains: "Today's hamstring workout is a basic one at that with only 4 exercises, but each one was performed with all-out intensity and worked beyond my threshold, meaning my body has to adapt by recovering and growing bigger and stronger to be able to manage heavier weights for my next workout."