A major change to fitness tests throughout the military has been the substitution of plank poses for sit-ups or crunches. This can be a challenge, especially if you had been doing two minutes of ...

You may have read heaps of articles praising the benefits of stability balls and may have even been using them in your ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

The first test a soldier has to take to earn a Ranger tab just got harder — unless you really hate sit-ups. The Army announced Thursday a completely revamped physical fitness test for Ranger School, ...

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 ...

Whether you loved it or loathed it as a kid, the exercises can still be a revealing measure of health — now that no one’s forcing you to do them. By Danielle Friedman If you went to an American public ...

A strong core is essential for being able to safely and effectively perform various exercises and carry out everyday tasks. Ab exercises belong in nearly everyone’s workout program, but which ...