This summer, you’ll need a reliable bank of abs exercises to strengthen your six-pack muscles and sculpt muscle definition across your torso. To get the ball rolling, add these exercises to your ...

To chisel your abs and strengthen your core, add some dumbbells to your core workout. Adding some weight forces the fibers in ab muscles to activate more fully, making each rep more effective. This ...

Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.

This workout is going to focus on using heavy weights to work your muscles in just a few reps. You’ll start by doing 10 reps of each exercise listed below. Then, you’ll work your way down in reps, ...

Yoko Hamamura, the MMA fighter who looks like he’s chiseled out of granite, calls the Sit-Out exhausting. That’s how you know it’s going to rock you. Only you don’t have to rock yourself all the way ...

Here's a 10-minute workout that focuses the work on your arms and abs. All you need is a set of medium dumbbells, between five and 10 pounds, but do increase or decrease the weight as needed. Since it ...