In this challenge, an exercise ball is used for inventive gym tricks. Experts warn the internet will go down in a big way — and you'd better be ready ...

Nothing will humble you like an exercise ball. Working with an exercise ball can also help you improve your sense of your body in space, a.k.a. proprioception, Jeffers explains. “Stability ball ...

Almost every gym has a gym ball (AKA Swiss, exercise or stability ball), but you rarely see it used. That’s a pity because it adds another dimension to core exercises. “One of my favorite reasons for ...

Pilates has taught us that you don't need to invest in expensive equipment to get a great core workout at home. But one simple tool — the humble Pilates ball — may be worth grabbing anyway. A Pilates ...

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