Psst: it's not another plank.

This simple bodyweight exercise is transforming routines across the U.S. by delivering full-core activation in less than a minute.

Doing core before you start clocking miles can save you time and help you run more efficiently.

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.

In fitness circles, core strength often receives verbal recognition while being practically neglected in daily routines. Despite understanding its importance for stability, injury prevention and ...

The path to core strength is as varied as the number of exercises that build your core system. There are hundreds of exercises from which to select when working to build the core, but this type of ...