You might have seen it at the gym, that half-inflated dome with a flat base. Looks simple, right? But don't be fooled by its appearance. The BOSU (which stands for "Both Sides Up," meaning you can use ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! When I was walking with Al Roker and our Start TODAY members ...

For the last 85 years, swim training has had plenty of tools to build fitness. The harder part has always been teaching what creates speed in the first place: body line, balance, and alignment that ...

Balance boards might sound like a children's toy, but these wobbly little pieces of fitness kit could in fact be the key to improving your core strength (by engaging your muscles as you try and stay ...