According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.
3don MSN
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.
These days, most people understand the importance of basic core strengthening, but functional core workouts are essential for building a resilient body that can handle everything from carrying heavy ...
5don MSN
If You’re Not Training Your Core Like This, You Might Be Missing Out on Serious Strength Gains
Psst: it's not another plank.
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