Popsugar Health & 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 1 August 2020 by Tamara Pridgett First Published: 21 June 2019 View On One Page Photo 16 of 24 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Renegade Row Strengthen your back and abs at once with this move. Start in high plank, each hand holding onto a dumbbell that is resting on the floor. Move feet wider than shoulders. Pull right elbow back, raising dumbbell toward chest, keeping right elbow close to torso, abs tight, and hips facing down. Lower weight for one rep; repeat on the opposite side. Previous Next Start Slideshow Trainer TipsFitness TipsBack ExercisesCore ExercisesArm ExercisesButt ExercisesWorkoutsAb ExercisesCelebrity InstagramsCelebrity Fitness