Fitness experts caution against jumping into a difficult routine suggested by Robert F. Kennedy Jr. and Pete Hegseth.

What really happens when you do 100 sit-ups every day? In this video, we explore the physical and physiological effects of ...

Sit-ups have long been a staple in ab workouts, but they fall short when it comes to building well-rounded core strength.

Sure, ab and core workouts are great additions to any strength program, but if you really want to build a strong, stable core ...

The zombie sit-up isn’t for the faint of heart; to find out more, I added it to my workouts for a week and felt the difference in my abs.

President Donald Trump recently signed an executive order saying he’s bringing the Presidential Fitness Test back. It may be ...

Logging at least 57 sit-ups can mean 10 points, the most given. Crunching the numbers, that’s slightly over a second per sit-up. The Guinness World Record for the most sit-ups in one minute is 71.