Popsugar Fitness Workouts Strength Workout For Muscle Build Muscle and Strengthen Your Arms, Legs, and Core With This Full-Body Workout March 18, 2019 by Tamara Pridgett View On One Page Photo 7 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Elbow Plank Start face down on the floor resting on your forearms and knees. Push off the floor, raising up off your knees onto your toes and resting mainly on your elbows. Contract your abdominals to keep yourself up and prevent your booty from sticking up. Keep your back flat — don't let it droop or you'll be defeating the purpose. Picture your body as a long straight board, or plank. Hold for 30 seconds. Repeat three times. Previous Next Start Slideshow Fitness TipsWorkoutsStrength TrainingAb WorkoutsButt ExercisesBack ExercisesTrainer TipsBeginner WorkoutsDumbbell Workouts45-minute Workouts