The following moves from B The Method—the Pilates-based method I founded—are great for targeting both your arms and abs. The best part: All you need is a Pilates ball (or a small pillow folded in half). You can sprinkle these moves into your home workouts, or pick any one to do when you need a quick energy boost. How to: Start in a high plank position, with your shoulders stacked over your wrists, and a Pilates ball in between your heels. Press through your arms, pulling your body backward until your seat is over your heels, with knees bent and open wide. Then press back into a plank. That’s one rep. Do 5 reps. How to: Start in a high plank position, with your shoulders stacked over your wrists and a Pilates ball in between your knees. Press through your arms, pulling your body backward until your seat is over your heels, with knees bent. Keep your legs parallel the entire time, squeezing the ball in between your knees. Then press back into a plank. That’s one rep. Do 5 reps. How to: Begin with your hands pressed into the ground, with your knees rotated to the side and a Pilates ball placed between your knees. Press through your arms, pull your body backward, and lift up through your core, until your top hip is pressed into the air. Return to start, stretching through the shoulders and arms as you press your chest forward. That’s one rep. Do 5 on each side. How to: Start in a high plank position, with your shoulders stacked over your wrists, knees on the ground and spread wide, and a Pilates ball in between your ankles. Press through your arms, pulling your body backward until your shins are on the ground and your seat is over your heels. Return to start, stretching through the shoulders and arms as you press your chest forward. That’s one rep. Do 5 reps. For more Pilates-inspo from Lia, try out her go-to ab moves, too! Bartha realized exercising needed to be more than just how it made you look on the outside. It needed to be meditative and releasing, while also lengthening and toning the body. She created and developed B The Method to help people look a little deeper inside themselves, mentally and physically, and tap into a deeper layer of the body to strengthen and lengthen, starting from the inside.