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 ...

There are so many effective ways to work your core at the gym and at the home. You could grab a kettlebell and do a full-body routine with sneaky abs engagement, do bodyweight abs moves like plank ...

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 ...

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 ...

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.