How is your core strength? It's an essential part of staying healthy, so health and fitness expert Beth Oliver joined us to take us through a short test and show us how to improve it. Building a ...

Take the bridge hold test to see if your core and glute strength are top-tier after 55. CSCS benchmarks included.

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever tried them, you know side planks are challenging­—even more than regular planks. But they’re a critical move, says ...

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.