Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

If you’re a little hazy on the difference between sit-ups vs. crunches, you’re not alone. They both strengthen your core, but the details on how they differ and the benefits of each can be confusing. ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...

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, ...

For better or worse, we are firmly headed into “get six-pack quick” season. It’s the fitness holy grail that launched a thousand Men’s Health covers, and this year, approaching a summer where most of ...

In the workout below, Tamir demonstrates different variations of the crunch and the sit-up, including how to do both traditional moves properly. He says practicing cross-body exercises like the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...