"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, ...

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 ...

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 ...

This one’s an abs-olute winner. A classic, fit-for-all workout is back in the spotlight after a popular workout video resurfaced, showing a fitness influencer’s surefire way to a rock-hard core using ...

This 20-minute upper body kettlebell workout is part of Women's Health trainer Tatiana Lampa's fast-paced, effective, and fun Total-Body Kettlebell program on the All/Out Studio app, included in the ...

Feeling bored of your go-to planks and crunches? Good news'your tried-and-true bodyweight exercises aren't the only way to whip your abs into shape. Feeling bored of your go-to planks and crunches?

B) Change hands as it passes in front of and behind you. 'Focus on keeping your waist stable and still throughout the movement,' says Haywood. 'This exercise is excellent for building core stability ...