All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a core movement as well. It's all about positioning. One great example of this is the V-sit ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While some people are on a mission to build washboard abs, I am on a mission ...

Sit-ups often come to mind when you think about working your abs or strengthening your core. It’s one of the most old-school, well-known exercises for ab-shredding, but recently, it’s become less and ...

Sit-ups, crunches, and planks probably have a regular spot on your strength schedule. But V-ups can take your core-strengthening workout up a notch, thanks to the range of motion the move requires.

Sit-ups and crunches both target your core muscles, but work differently. You can use both exercises to build strength, endurance, and control.

No matter what stage you’re at in your running journey, chances are you want to continue to improve, feel fit and strong and, of course, remain injury-free. As such, strength and conditioning work – ...

The classic sit-up is a workout staple. Whether you've become all too familiar with the movement in your weekend HIIT class or eked out those last few reps while following a home workout video, you've ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a ...