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 ...

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.

If doing regular sit-ups is getting pretty boring, it's time to upgrade your routine with suitcase sit-ups, which are easier than V-ups. You can only do so many sit-ups before extreme boredom sets in.

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.

Strengthen your abs and obliques with this 12-minute core circuit that you can do anywhere without any equipment bar a yoga mat.

Trying to get active again? Washington Sports Club trainer Benjamin Lax is helping you cut the COVID cushion with five adaptable moves that can be done in minutes. Each of these moves can be adapted ...