Popsugar Fitness Workouts I Do These 6 Minutes of Ab Exercises Every Day I Started Doing 6 Minutes of Ab Exercises Every Day, and I Feel Stronger After Just 1 Week July 24, 2020 by Catherine Sullivan View On One Page Photo 5 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 60 Seconds of Straight-Leg Sit-Ups For this exercise, the goal is, again, to complete as many sit-ups as possible while also maintaining your form. Begin on your back with your legs straight and arms raised toward the ceiling. Roll up to sitting, focusing on the abs rounding the back. Roll back down to the mat slowly, one vertebra at a time. Do as many reps as you can in 60 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingEditor ExperimentsAb Exercises