Sure, we've all got the time these days, but that doesn't mean we want to wile it away getting our sweat on. So Dogpound founding trainer Austin Pohlen—who puts the likes of Hailey Bieber (and husband Justin Bieber), Sarah Hyland, Kaia Gerber and Adam Levine through their paces at the workout studio's West Hollywood outpost—has some good news: you can totally get a head-to-sculpt in just minutes a day.