Popsugar Fitness Workouts Ab Exercises to Do After You Have a Baby This Gentle 5-Minute, 5-Move Workout Will Make Your Postbaby Body Stronger Than Ever January 24, 2018 by Laura Arndt View On One Page Photo 2 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Reverse Marching Target Muscles: abs, lower back Lay back on the mat with your legs at table top. Bring your right foot down to tap the mat and return to table top position. Bring your left foot down to tap the mat and return to table top position. Continue alternating legs for 1 minute. Previous Next Start Slideshow WorkoutsPregnancyStrength TrainingBodyweight ExercisesBodyweight WorkoutsAb WorkoutsBack ExercisesBeginner Workouts5-Minute WorkoutsBack Workouts