Popsugar Fitness Workouts Easy 30-Minute Workout This Is the Easiest 30-Minute, Equipment-Free Workout Ever — No, Seriously June 25, 2018 by Laura Arndt View On One Page Photo 14 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Dead Bug Crunch Target Muscles: Abs and lower back. Lay back on your mat with both your legs at table top. Extend your arms up toward the ceiling. Reach back with your right arm and out with your left leg. Pause, then return to center. Continue, slow and controlled, for one minute, alternating sides. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight WorkoutsBeginner Workouts30-Minute WorkoutsFull-Body Workouts