In Episode #4 of What The Flex?, we sat down with fitness influencer Zac Smith to chat about all things Instagram. With over 600,000 followers and counting, Zac opens up about his strategy to getting where he is today. But while this looks good on screen, getting to that point for Zac did not come easy. He opens up about how an injury ended his sporting career, and how turning to lifting and training saved his life. Tune in to find out how to become a fitness influencer!