Deadlifts are easily one of the best moves out there. In one fell swoop, a deadlift works your butt, core, legs, back, and upper body - truly the definition of a total-body move. But besides making it look like you had a booty lift, it's also the ultimate in functional fitness, making the move hugely popular amongst trainers and physical therapists. In short, if you aren't already doing deadlifts, you need to start! Whether this is your first deadlift - or your 500th! - here are seven variations that will push you even further and prevent deadlift boredom.