Want to run better? Stop doing sit-ups – here are five expert-recommended functional core movements to do instead.

Here's what the exercise is, which muscles it works and why crunches are so good for overall health.

Whilst almost anyone can do a crunch or a sit-up, for most of us the higher reps remain the preserve of avid gym-goers, Olympians and celebrities. However, in reality, physiologists and personal ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

“Sit-ups primarily train your rectus abdominis or your ‘six-pack’ muscle, along with hip flexors and some deep core stabilisers. If your goal is stronger trunk flexion, better midline endurance, or ...

Exercises like dead bugs help lengthen and strengthen the hip flexors in a controlled position, which improves form and can help offset the effects of sitting too much, adds Dickinson. Lie faceup, ...