Ab Workouts on Instagram
7 At-Home Ab Workouts Your Core Is Begging For — and They're All on Instagram
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Celeb trainer Jeanette Jenkins has torched our core before with her Class FitSugar workouts, and this circuit is on another level. Heads-up for those double leg circles, flutter kicks, and rocking hollow holds — you'll be counting down the seconds until your well-deserved rest.