When it comes to working your abs — and, more specifically, your rectus abdominis, which makes up the "superficial core" muscles that give you that six-pack — there are plenty of exercises you can do.

A strong core is basically the foundation that holds your body together. I mean, your abdominal muscles help with your posture, keep you walking and running, are activated when you breathe — it's ...

Move over, Mr. Plank, toning your tum is all about one specific exercise for abdominals. Some were just made to turn your six pack muscles from a dream into a reality. Enter the Swiss ball pike. The ...

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. It’s time for a little ...

Which kegel exercise balls are best? Kegel exercises can help you improve your pubococcygeus or PC muscle health and strengthen your pelvic floor. While you can perform them without any tools, kegel ...