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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Bored of planks and crunches? Why not try mixing things up with a killer ab ...

If you've ever wondered (mid-crunch, most likely) exactly how many sit ups you should be doing every day to optimise your fitness, then you're in the right place - this is exactly the type of question ...

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 ...

Even though crunches and sit-ups may look similar at first glance, they differ significantly in terms of the muscles engaged, risk of injury, and efficiency. But what exactly are the differences ...