"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If you've completed a core workout—or 100 of them—over the years, you likely know what crunches are ...

Both sit-ups and crunches can help target your core muscles, but there are key differences between the two ab workouts.

Today, ab workouts are on the agenda—so it’s time to hit the mat and get started, right? Not necessarily, how about trying a ...

Longevity isn’t necessarily the best measuring stick for greatness. Just because lots of people continue to do something, that doesn't necessarily mean that you should too. Take one of the most common ...

This standing abs routine strengthens your core, boosts posture, and lays the foundation for a stronger, more balanced body.

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Sure, crunches were the gold standard ab exercise for decades, but in today’s fitness climate, trainers flinch at the thought of their clients striving toward a flat stomach with this move. The long ...

Abdominal exercises have long been a workout staple, and each form -- the crunch, the full sit-up, with or without an exercise ball -- has its staunch supporters. Now, researchers have studied the ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...

Exercises like hanging leg raises or the Pallof Press can work your abs better than sit-ups — and anyone can do them regardless of fitness level.

NEXT WEEK. MEGAN: THANKS SO MUCH. YOU MENTIONED IT'S A GOOD DAY TO GET OUTSIDE AND WORK OUT. WE'RE WORKING OUT RIGHT NOW WITH SONRISA MEDINA FROM ORANGETHEORY FITNESS. THANKS FOR COMING IN. I KNOW ...