Get a stronger core and sculpt a rock-solid body like Madonna's with these ab exercises from celebrity trainer Sadie Lincoln.
-Get A-list abs. Incline core scissors: As you lower one leg, keep your abs engaged. Simultaneously return to start and lower the other leg to complete 1 rep. Do 3 sets of 15 reps. Kneeling fly: Kneel your body back while you keep your form in a straight line. At the same time while kneeling back, bring your elbows and arms together in front of you. Do 3 sets of 10 to 15 reps. Core flex: When you crunch up over your leg, hold the position for an extra count and then release back down. Do 3 sets of 10 to 15 reps. Upright oblique twist: Engage your abs to help support the 45-degree position the entire time. It will really target your obliques if you hold the rotation for an extra count. Do both sides to complete 1 rep. Do 3 sets of 10 to 15 reps total. Child pose [unk]: Raise your arms behind you as high as high as you can and you'll raise your torso 90 degrees. Do 3 sets of 10 to 15 reps.