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 8 of 11 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Jillian Michaels (@jillianmichaels) on May 30, 2018 at 8:17am PDT Share This Link Copy ← Use Arrow Keys → 8 Slider Planks and Pikes Jillian gets creative with two towels to use as sliders. These variations on planks and pikes will definitely tone your tummy. Previous Next Start Slideshow WorkoutsJillian MichaelsCore ExercisesAb Exercises