Popsugar Health & Fitness Fast Fitness 10-Minute Workout For Legs and Abs A 10-Minute Legs and Core Workout to Fit Into Your Busy Day 15 November 2018 by Susi May View On One Page Photo 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Elbow Plank With Reach Your abs will kick into high gear to stabilize your core as you reach forward. Begin in an elbow plank with your feet set slightly wider than your hips. Keeping your torso stable, reach your left arm forward, then return to starting position, for one rep. Then repeat on the other side for a second rep. Do 20 reaches total. Previous Next Start Slideshow Fast FitnessFast Fitness WorkoutsDumbbell WorkoutsIntermediate WorkoutsLeg WorkoutsAb Workouts10-Minute WorkoutsStrength TrainingWorkouts