Ditch the standard situps and planks for something that will hit your core and then some. Work your chest, back, abs—and even get in some cardio—with this low-impact, quick-hitting TRX routine. It ...

Bouncy plank jacks and painful crunches aren't the only exercises that strengthen your abs. Presented by Allegra, this entire ab series is done while standing. Whether you're working out on the go, or ...

I don't think I'm alone in saying sit-ups aren't fun. I don't know if it's because I need to have someone or something there to make sure my feet stay put on the ground during the full movement or ...

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This workout is short — just 10 minutes — and requires no equipment. But it packs in a lot of work. PS Fit instructor Natalie White designed it to target your abs, core, and thighs, and she'll have ...

Here’s an easy routine to get you started. The gentle moves require no equipment — and are actually pretty fun to do. By Jen Murphy Some exercisers thrive on the motto of “harder, faster, stronger.” ...

Feeling inspired by Livvy Dune’s abs, but don’t quite have the same amount of hours to spend in the gym as her? We’ve good news: you actually don’t need *that* much time to make a difference when it ...

"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 ...