Best At-Home Ab Workouts on YouTube
Short on Time? These 7 At-Home YouTube Workouts Will Shred Your Abs in 10 Minutes
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This Class FitSugar video, inspired by barre and dance workouts, is full of slow movements and lots of pulses to lengthen out the burn, plus fast transitions to keep your heart rate up the whole time. Bonus: it's all done on a mat, which is great if you're short on space.