Add Yahoo as a preferred source to see more of our stories on Google. This makes ab exercises an important part of any fitness routine. While crunches are a common ab exercise that are often the go-to ...

Master the ab wheel rollout with our step-by-step guide to proper form, expert cues, and building a bulletproof midsection.

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

So, your diet has been on point, and you've been cranking out tons of situps at the end of your lifts, but still, the set of defined washboard abs you were promised has yet to show up. What gives? You ...

A strong core is about more than just six-pack bragging rights — it’s the foundation of your strength and overall well-being. But you don't need to torture yourself with endless crunches. Instead, ...

When you hear "ab workout," your mind probably goes to sit-ups and crunches, lying on your back. Yet research shows that these aren’t actually the best exercises for targeting the muscles in your ...

Chair core exercises after 60: Trainer-approved moves to build core strength without floor planks, crunches, or back strain.

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 ...