Elevated Curtsy LungeStart with your right leg up on a step. While keeping your weight on the right foot, take a big step back with your left foot crossing your left leg behind your right leg. Drop straight down, bending your rear knee as you do, as if you're actually curtsying. Drive through your front foot and stand back up to the starting position. Perform 12 to 15 reps before switching legs.

There's no sitting down when faced with a two-hour show in front of a sold-out arena, something Carrie Underwood knows all too well. To make sure she can give