While exercises like sit-ups and crunches work the rectus abdominis, or "six-pack" muscles, this simple-looking exercise ...

If you still want to build a rippling six-pack in the gym then you need to make sure you’re spending time doing the right exercises and not wasting your time on the wrong ones. Good thing Sports ...

Every athlete wants a stronger core, but “what’s the best ab workout?” is a loaded question. The right answer depends on what kind of athlete you are, what your body needs, and what your goals are.

There’s nothing wrong with the classic core exercises we all know. Sit-ups, planks and crunches have their place. But they’re not for everyone. Maybe they put too much strain on your neck or back, or ...

Many guys might lazily toss in a set or two of situps at the end of their gym session, thinking that’s enough (probably more in hopes of exposing a six-pack than building strength). We don’t blame you ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Standing ab exercises ...

It’s a common fitness dilemma: You’re banging out crunches and planks week after week but still not seeing the strength and muscle tone you want in your lower abs. That’s a sign it’s time to switch up ...