Popsugar Health & Fitness 15-Minute Workouts A 15-Minute Core Workout to Work Your Abs and Entire Core Work Your Abs From All Angles With This Sizzling 15-Minute Core Workout 30 November 2019 by Maggie Ryan View On One Page Photo 1 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Superman Lie on your belly, engage your abs, and extend your arms straight out in front of you. Lift your legs, arms, and chest off the floor. Stretch your arms and legs like you're trying to reach something in in front and behind you. Look at the ground slightly in front of your to keep your neck long. Hold for 30-60 seconds. Previous Next Start Slideshow 15-Minute WorkoutsBeginner WorkoutsBodyweight WorkoutsCore ExercisesAb WorkoutsStrength TrainingWorkoutsAb Exercises