This 9-Minute Ab Workout Uses One Piece of Equipment to Build a Stronger, More Functional Core

Carve out just nine minutes a day, five to six times a week, and watch how your core transforms.
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7 effective ab exercises with resistance bands for a stronger core

Are you looking to develop a stronger core but only have access to resistance bands? No problem! Luckily, resistance bands are a versatile piece of equipment that can add resistance to simple ab ...