Full Ab Workout
Victoria's Secret Model's Full-Body Workout.
BOSU Exercises Also a familiar face at the 2010 Olympics, Hannah Teter incorporates a BOSU into her snowboard training; it helps to work her core and balance, which are so important when spending a day on a snowboard. Performing everyday exercises on this unstable surface creates a new set of challenges to master since it disrupts your sense of balance. Since a strong core is so important in snowboarding, try these BOSU ab exercises.