Popsugar Fitness Workouts Bodyweight Workout For Abs Flat-Abs Bodyweight Workout March 24, 2016 by Susi May View On One Page Photo 3 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Up-Down Plank Reps: 12 Start in plank position. Keeping your torso parallel to the floor, place your right elbow on the mat. Repeat with your left arm, lowering into an elbow plank. Place your right palm on the mat, then the left to press up into a plank. This completes one rep. Repeat lowering the opposite elbow to the mat. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight WorkoutsIntermediate WorkoutsFull-Body Workouts20-Minute Workouts