The Bottom Line: Ditch the sit-ups. These bodyweight exercises are smarter, tougher, and deliver more bang for your buck.

I’ve never enjoyed doing sit-ups. From doing them on the cold, hard gym floor at school to tediously tagging them onto the end of another workout, they’ve always felt uncomfortable on my lower back ...

A certified personal trainer created a workout to melt belly fat and sculpt enviable, toned abs like Rita Ora.

If your diet is on-point, but you feel your abs could use a few more extra rips and cuts, a quick hanging leg raise ab ...

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Strengthening the lower abdominals can be a game-changer in achieving overall core stability and improved posture ...

This eight-move abs workout from Pilates instructor Lilly Sabri targets the deep core muscles as well as the abs and obliques, all in just eight minutes. You don’t even need any equipment to do the ...

Perform each move for 50 seconds, taking just 10 seconds of rest between each one. Complete all the moves, and then you're ...

"Your ab muscles should feel shaky and like you're unable to do another rep when you end the set." "As with any resistance exercise," echoes McDonough, "challenging the target muscles to near ...

They say that maintaining a healthy diet, getting lots of sleep and practicing breathing exercises can all make ... “To add a focus on the lower abs, reverse crunches are great, with added ...