Popsugar Fitness Workouts Jillian Michaels Ab Workouts 11 Core Workouts Jillian Michaels Does to Carve Her Enviable Abs November 26, 2018 by Christina Stiehl View On One Page Photo 1 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Jillian Michaels (@jillianmichaels) on Jul 30, 2018 at 10:02am PDT Share This Link Copy ← Use Arrow Keys → 1 Quick Core Circuit These moves will test your balance and your core strength. Jillian recommends doing each move for 30 seconds and three rounds total. Previous Next Start Slideshow WorkoutsJillian MichaelsCore ExercisesAb Exercises