You guys got it wrong
I have been doing this build for sometime already
http://us.battle.net/d3/en/calculator/barbarian#WhiUkP!bZe!cbYZccThe thing is that sprint gives imba aoe damage that crits all the time if high critchance with gives with shout full fury all the time that makes WW useable all the time and you can spamm sprint while wwing and ww heals you full all the time since crits and also that gives you infinite berserker rage with that rune if enough mobs.