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.

While classic core exercises like sit-ups and crunches are certainly an effective way to train your abs, they are not the only way. If you prefer to stay standing for your workouts, then this ...

We’ve said it before, and we’ll say it again: when building a strong core, sit-ups aren’t always the best option. Not only can regular sit-ups and crunches put strain on your lower back, you’re only ...