President Donald Trump on Thursday reestablished the Presidential Fitness Test for American children, a fixture of public schools for decades that gauged young people’s health and athleticism with ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...

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, ...

Mary Ann Wilson, the Spokane founder and face of the television workout program “Sit and Be Fit,” died Wednesday at the age of 87.

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 ...