Sit-ups vs. crunches—here’s which is better

Plus, which move is more effective for strong abs.

Forget planks: This one move transformed my core strength (and it’s not sit-ups)

Say goodbye to sit-ups and crunches, do this instead.

‘Why I stopped doing sit-ups and started doing these 5 simple core exercises instead’

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