Popsugar Health & Fitness Workouts Workout For Abs Abs Are Built in the Kitchen, but This 15-Minute Workout Will Help You Get There Faster 2 August 2018 by Tamara Pridgett View On One Page Photo 7 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Circuit 2, Exercise 4: Bird Dog Get on all fours, with your knees under your hips and your hands under your shoulders. Remember to keep abs engaged and keep your back flat. Reach out with your right hand and extend your left leg out behind you. Round your back and head to connect your right elbow with your left leg under your body. This completes one rep. Complete 10 reps on each side. Previous Next Start Slideshow Trainer TipsCore WorkoutsCore ExercisesAb WorkoutsStrength TrainingWorkoutsAb Exercises