You don’t need expensive studio classes to strengthen your core—just this one affordable piece of equipment, according to a Pilates instructor

Woman on an exercise mat with legs extended above the floor with a small inflatable pilates ball balancing between her feet.

You don’t need fancy equipment or an expensive studio membership to get an effective core workout. All you need is a simple, affordable tool like a Pilates ball.

“The Pilates ball is just as good, if not better, than the Pilates reformer,” Rebecca Dadoun, Pilates instructor and founder of Pilates Prescription , tells Fit&Well.