Carve out just nine minutes a day, five to six times a week, and watch how your core transforms.

According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Please see responses from Life Time Plymouth (Minnesota) Personal Trainer Keri Anderson Thanks a bunch! 1 ...

While practicing Pilates is an effective way to strengthen your core, you can build core stability, balance, and strength ...

This underrated anti-rotation move is becoming a favorite among fitness experts in the U.S. because it builds a stronger, ...

Fast, effective, and no basic movements.

Psst: it's not another plank.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you want something that’s easy on the joints or to help support your glute gains goals, stair ...

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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. March 22, 2022 Add as ...