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

Don't forget about this crucial core muscle. Fact checked by Isaac Winter Engaging your transverse abdominis strengthens the core, flattens the belly, and enhances stability, reducing back pain and ...

“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, ...