Back in 2014, we put Dustin Johnson's girlfriend, Paulina Gretzky (left), through the paces of a golf workout including use of one of the most beneficial pieces of equipment in any gym—a physio ball.

The physio ball is one of my favorite pieces of gym equipment. It decreases the base of support and adds a stability challenge, which increases your connection to your core. It also forces you to ...

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Physio ball, exercise ball, stability ball, fitness ball — whatever you call it, we think a ball is must have for just about everyone. A stability ball can be used in the office and the gym — with a ...

The Swiss ball—also known as an exercise, stability, or physio ball—is one of the best tools for building core strength, thanks to its inherent wobbliness. Whether you hold it, lean against it, or ...

THAT dusty old exercise ball that’s been lingering around your living room floor or in the corner of your gym is actually a pretty useful piece of kit. In fact, if it’s been a while since you used it, ...

Work your middle with these at-home or gym-floor exercises THAT dusty old exercise ball that’s been lingering around your living room floor or in the corner of your gym is actually a pretty useful ...