A lot of people avoid doing sit-ups because they don’t feel like they have enough core strength to do the move without putting strain on their neck and back.

It’s true it’s not the easiest exercise to master, and many people can’t do sit-ups well, so rather than aim for a full sit-up straight off the bat, certified Pilates instructor Liz Hilliard recommends starting with a modification.

“Sit-ups feel hard because they work your core muscles, which can often be underused and weak,” says Hilliard, who is the founder of Hilliard Studio Method in Charlotte, North Carolina. You may like

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