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

"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 ...

For most of us, traveling and time constraints don't end with a holiday season. Work and family commitments are a year-round obstacle to getting in great workouts. That’s where this suspension trainer ...

We might earn a commission if you make a purchase through one of the links. The McClatchy Commerce Content team, which is independent from our newsroom, oversees this content. Graphic by Kayleigh ...

As a fitness editor, I love that deep core shake you get after a minute-long plank. That said, if I’m in a busy gym, or I’m taking my workout outside now the weather is nicer, the chances are I’ll ...

Fast, effective, and no basic movements.