Most people with rheumatoid arthritis need to improve stability, balance, and core strength. An exercise ball can help you ...

This simple, affordable tool could unlock better balance, strength, and performance—are you using it yet?

Before you chuck that dusty old stability ball from your garage into the donation pile, hear us out. You might think they’re just for fitness influencers or older adults in aerobics classes, but ...

Whether you're switching up your typical strength training routine or rehabbing after injury, introducing instability into your workouts will have you shaking and aching like never before. There are 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 ...

Any Pilates fans out there will know what a difference a Pilates ball makes. Take my word for it: as someone who has done Pilates almost every week for the past 18 months, classes that include the use ...

Core stability is a term that many fitness enthusiasts are familiar with, but it's often oversimplified as a synonym for abdominal strength. Core stability goes well beyond one muscle group and ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.