Pilates pikes work your core muscles and test flexibility and mobility; here's how to do it, and why the exercise has helped ...

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 ...

As a personal trainer, I'm always asked what the best ab routine is and what I personally do to train my core. Like most things fitness, the answer is subjective since there's more than one way to ...

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 ...