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 ...

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 ...

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

Unlike a crunch or sit-up, where you bend through the spine, the dragon flag keeps your body completely straight and rigid as ...

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 ...

For years, the body’s largest lean tissue—skeletal muscle—has been underestimated in its role in managing metabolic health. Despite its size, it contributes surprisingly little to blood sugar and fat ...