This "Message in a Bottle" ab workout from MadFit, aka Maddie Lymburner, will light up your core from all angles.

Shows The Good Stuff with Mary Berg Quick Home Workouts with MadFit's Maddie Lymburner ...

Fitness Forget sit-ups — build a stronger core and boost your balance with this 8-minute bodyweight abs workout Features By James Frew last updated July 3, 2024 3 moves, 8 minutes to core strength ...