Popsugar Fitness Workouts What Are the Best Bodyweight Ab Exercises? Check Out 35 of Our Favorite Bodyweight Ab Exercises to Chisel Your Core July 30, 2020 by Jenny Sugar View On One Page Photo 13 of 35 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 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 as long as you can. Aim for 20 to 30 seconds in the beginning and work your way up to one minute or longer as you get stronger. Previous Next Start Slideshow WorkoutsBodyweight ExercisesAb Exercises