Popsugar Health & Fitness Bodyweight Exercises Best Bodyweight Core Exercises Your 6-Pack Is Coming, and These Bodyweight Moves Will Make It Happen 13 December 2018 by Jenny Sugar View On One Page Photo 26 of 43 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Crunchy Frog Begin sitting, balanced just behind your sits bones, and rock back slightly to lift your feet off the floor; gently pull your knees to your chest. Exhale, pull your navel to your spine, and lean back slightly as you open your arms to the sides and straighten your legs. Inhale and return to the starting position to complete one rep. Previous Next Start Slideshow Bodyweight ExercisesStrength TrainingWorkoutsAb Exercises