When top trainers want to develop stronger, firmer abs, they don't do more crunches. They do an exercise ball workout using that big, bouncy ball you'll find stashed in a corner of the gym. Known as ...

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 ...

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Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Jillian Michaels just shared a video of herself doing intense-looking squats ...

You may have read heaps of articles praising the benefits of stability balls and may have even been using them in your ...

As runners, we prefer to be out there running. But we know, by now, that strength training is important for improving performance and preventing injury, so we make the time. Still, run-of-the-mill sit ...

A shopper declared, "The best I have found. I have had this ball for 2.5 years now and use it regularly. It stays fully inflated (easily weeks between needing to add any air), is durable, and has the ...

Despite the popularity of balls-as-chairs in the workplace, the answer to this question is a cautious “maybe.” If you work at, let's say, an active lifestyle magazine in Santa Fe, New Mexico, you’re ...

Many of us spend the majority of our professional lives sitting, which makes the office chair an all-important piece of furniture. Lately mine hasn't been cutting it, so as an experiment, I swapped my ...