Equipment needed: mat. Lose inches while building lean muscles with movements inspired by ballet, dance, Pilates, and yoga. Ballet Body by Leah Sarago integrates traditional body-weight resistance exercises with muscle-elongating techniques to achieve a long and lean physique. Suitable for all fitness levels, these workouts draw on isometrics, the stretch-reflex principle, and muscle-contraction training for optimal results. Flatten your midsection and develop core strength with this dynamic, Pilates-inspired workout. You'll start with standing balance exercises and movement sequences before progressing into variations on side planks and mat work. Complete the routine with exercises to support the spine and back, along with deep stretches for flexibility. If you want strong abs and a bikini-ready belly, this incredible core workout is for you!