If you are dealing with an injury, don't have too much space, or aren't super keen on moving around, there are plenty of ab circuits you can do entirely lying down. Sometimes, though, you just don't ...

We all know abs are made in the kitchen -- but they're also perfected during your ab workouts at the gym and at home. Nutrition and fitness are the dynamic duo you'll need to rock a six-pack, if ...

The bodyweight moves packed a punch.

Charlee Atkins's 15-minute ab workout is a full-core workout that uses your bodyweight to fire up your entire core—all you need is a mat. I love a good at-home workout. But ab workouts—out of the ...

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"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Even a no-equipment workout really requires one thing: an exercise mat. They not only protect your body ...

If you’re a beginner, aim for a certain number of reps. We detail the number of reps below. For a more advanced routine, try timed rounds. Set the timer for one minute and complete as many reps as you ...

Instructions: For each move, perform as many reps as indicated. Continue to the next move. After you've completed all three moves, rest for 30 seconds, then you have the option to repeat the ...