Confession: Despite my lengthy career as a fitness journalist and being well-versed in the health benefits of a strong core, I have not been consistent with training my abs for a while. (Hi, holidays ...

Add Yahoo as a preferred source to see more of our stories on Google. TBH, I don’t really have a good reason for why I skimp on ab work. I suppose I just enjoy other types of exercise more (and maybe ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are a few health habits that I’m proud to have. I’m pretty good at drinking enough water. I ...

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I love working out, and a good ...

And no, it’s not a crunch or a plank.

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. Do you want a strong ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TBH, I don’t really have a good reason for why I skimp on ab work. I suppose I just enjoy other types of ...