Dumbbell Reverse Lunge

Instructions

1. 
   Grab a set of dumbbells. Stand tall with your feet shoulder-width apart. Your arms should be hanging straight down by your sides.
2. 
   Push your chest out and take a large step backward, lowering your rear knee toward the ground while keeping your front shin as vertical as possible. Push yourself back to the starting position, and repeat for the desired reps before switching legs.