Popsugar Fitness Workouts Best Ab Workouts on YouTube 9 of the Best Ab Workouts on YouTube July 2, 2017 by Dominique Michelle Astorino View On One Page Photo 4 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 10-Minute Dance Abs Not into crunches? Fear not — this dance workout will rock your core, leave you sweaty and out of breath, and give you a chance to let loose and have fun. Previous Next Start Slideshow WorkoutsYouTubeAb WorkoutsAb Exercises