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 6 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Jillian Michaels (@jillianmichaels) on Mar 7, 2018 at 8:08am PST Share This Link Copy ← Use Arrow Keys → 6 Intense Core Circuit Mix up ab day at the gym with these variations using basic gym equipment. Previous Next Start Slideshow WorkoutsJillian MichaelsCore ExercisesAb Exercises