Popsugar Fitness Workouts Jennifer Lopez Abs and Back Exercises Get Rock-Hard Abs, Sculpted Arms, and a Butt Like J Lo's With These 21 Exercises August 4, 2020 by Tamara Pridgett First Published: June 20, 2019 View On One Page Photo 24 of 24 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 24 Previous Next Start Slideshow Jennifer LopezCelebrity InstagramsFitness TipsWorkoutsCelebrity FitnessButt ExercisesBack ExercisesCore ExercisesTrainer TipsArm Exercises