The Double-Time Wood Chop exercise works your shoulders, arms, abs, obliques, butt and legs.
-Burn Baby Burn: Double-Time Wood Chop. The wood chop is just like it sounds. Go from top to bottom as you pivot. For beginners, you can use one dumbbell. You're going to do 10 reps to this side, switch sides and repeat, and aim for 3 sets.