Popsugar Fitness Jennifer Aniston Add Jennifer Aniston's Favorite Ab Moves to Your Workout Jennifer Aniston "Hates" Doing Ab Workouts, but These 5 Core Moves Are the Exception June 23, 2021 by Samantha Brodsky View On One Page Photo 2 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Elbow Plank Start face down on the floor resting on your forearms and knees. Come up off of your knees and onto your toes, resting mainly on your elbows. Pull your navel into your spine to engage your core and prevent your booty from sticking up. Picture your body as a long, straight board or plank. Aniston said she likes a three-minute plank, but hold this for as long as you can or as long as your workout requires. Previous Next Start Slideshow Jennifer AnistonWorkoutsCelebrity FitnessBodyweight ExercisesCore ExercisesAb Exercises