Abs workouts do not need to be long to be very hard, but even so when a video popped up on my YouTube feed claiming to be the "hardest abs workout ever" and it was only 10 minutes long, I was suitably ...
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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.
When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock/ Light Field Studios If you have aspirations of carving out a six-pack, or ...
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