They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, better core endurance, or a more defined midsection , it’s worth knowing how these two classic moves compare.

Here are the key difference to know about crunches and situps, including the muscles each works, how to perform them safely, and which one is more effective depending on your goal.

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What Muscles Do Crunches and Situps Work?

Both exercises target your core, but the difference in range of motion effects how much of it is recruite

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