Popsugar Fitness Workouts Ab Workout You Can Do at Home Do This 4-Move, 5-Minute Workout For Stronger, Sexier Abs June 26, 2018 by Tamara Pridgett View On One Page Photo 2 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Bear Claw Start in a plank position with a towel under your feet and hands on the floor or mat. With a flat back, use your abdominal muscles to bring your knees into your chest. Slowly push your legs back out into the original starting position (a straight-arm plank). Use a slow four count and repeat for one minute. Previous Next Start Slideshow WorkoutsStrength TrainingHome WorkoutsBodyweight ExercisesBodyweight WorkoutsAb WorkoutsPilatesBeginner Workouts10-Minute Workouts5-Minute Workouts