Pilates hits your core (or, in Pilates speak, your "powerhouse") unlike any other workout. In fact, after completing 36 weeks of Pilates training, women strengthened their rectus abdominis (the muscle responsible for six-packs) by an average of 21 percent, while eliminating muscle imbalances between the right and left sides of their cores, according to a Medicine & Science in Sports & Exercise study. Read more.
