Popsugar Health & Fitness Fast Fitness 10-Minute Core and Abs Workout This 10-Minute Core Workout Will Leave Your Abs Worked 15 November 2018 by Susi May View On One Page Photo 9 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Push-Up to Side Plank If you really focus on keeping your torso solid while doing a push-up, you will feel your abs kick in. Perform a push-up. Then lift your left arm toward the ceiling, twisting into a side plank by balancing on your right arm, making a T shape with your body. Return to plank. Perform a push-up, then rotate to the other side. Previous Next Start Slideshow Fast FitnessFast Fitness WorkoutsBodyweight ExercisesBodyweight WorkoutsIntermediate WorkoutsAb Workouts10-Minute WorkoutsStrength TrainingWorkouts