Just 10 minutes is all Class Fitsugar trainer Nikki Nie asks of you for this leg and booty burning workout. Presented by Allegra, this low-impact session will take you through a quick circuit of ...

Bouncy plank jacks and painful crunches aren't the only exercises that strengthen your abs. Presented by Allegra, this entire ab series is done while standing. Whether you're working out on the go, or ...