"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 ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

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 ...

Our core muscles are essential to everyday movement; we need them to walk, sit, and to lift and carry things. If you don’t do them right, you will likely feel tension in your neck, so be sure to use ...

If you're just starting a fitness routine and looking for a beginner abs workout, you may think sit-ups and crunches are necessary evils. But good news–you can skip 'em and still see results. This ...

Want strong and sexy abs? Try a traditional ab crunch, says a new study from the University of Wisconsin-La Crosse. Researchers asked eight men and women between the ages of 18 and 24 to test out a ...

Meredith Shirk is the American fitness influencer behind Svelte, a workout platform with millions of views on YouTube and fans all over the world ...

When you think of ab workouts, you might automatically associate them with the half-assed crunches you do to kill time during the Game of Thrones theme song. Sit-ups, crunches, and leg lifts: the ...