"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Situps and crunches aren't the only (or even the best!) way to strengthen and define your abs. For proof, ...

A personal trainer shares a 20-minute, at-home kettlebell abs workout that you can do without leaving your living room. Whether you’re swinging, twisting, or dragging the bell, each exercise ...

Park the overprescribed crunches, planks, or Russian twists and sweep aside the standard bodyweight core exercises. Give your next abs workout a refresh with these three kettlebell abs exercises ...

Confession: I'm a certified personal trainer, but I absolutely dread core work. (Anyone else?) My loathing could be because my core has always been one of my weakest muscle groups, or the burning ...

You don’t crunches, sit-ups and planks to increase your core strength and definition, just take this 12-move standing kettlebell workout instead.

No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day. They work the abdominals, but if you’re looking for stronger, sculpted abs, let me introduce you ...

These abs exercises using the best kettlebells will work your abdominals, lower back and core from a variety of angles, so ...

All you’ll need is a kettlebell and a little bit of endurance for this workout! You’ll complete three circuits, plus a warm-up and cool-down in this workout from Lacee Lazoff, from The Fhitting Room ...

Try this 5-move kettlebell arms workout, straight from trainer Roxie Jones, to amp up arm day and get your heart rate spiking. One thing to note when it comes to selecting the right weight to use for ...