Ask someone on the street what makes someone look jacked, and they’ll probably rattle off the usual biceps, triceps, and pecs. Ask a jacked person what makes someone jacked, and they’ll tell you the truth: a big back. Think Superman or Broly from Dragon Ball Z.Superheroes aside, a wide back and V-taper (when your upper back tapers, making your upper body look like an upside-down pyramid) isn’t a pipe dream. But your lats and upper back aren’t the only things that contribute to the barn door back look, he says. “He would always talk about angles and elbows,” Butler says.