Using different Stance animations
      

   Some of the screenshots from the Gamescon press kit had the Barb standing next to the blacksmith. His arms were at his sides, totally relaxed. So with that, I'm guessing the mechanic is still present.It is. What you saw of the monk was simply because his animations weren't complete yet. When you enter a town or while speaking with an N..
      

http://www.blizzblues.com/us/using-different-stance-animations-26726034665.html