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 ...

Try these tests to evaluate your strength and cardiovascular fitness. Credit... Supported by By Hilary Achauer Photographs by Ashley Barker How do you know if you are fit? Or, at least, fit enough?

I make it a priority to work on my core strength. It's essential to overall strength and fitness, and developing the upper body muscles helps me to lift heavier weights and move efficiently, as part ...

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.

There are many ways to gauge how strong and healthy you are. Here are some of our favorites. Credit...Clockwise from top left: Sarah Karlan, Ashley Barker, Gritchelle Fallesgon, and Adria Malcolm for ...

Getting up from the floor without wincing. Carrying groceries without your back complaining. Standing tall through a long day without fatigue creeping in. These everyday moments reveal something ...

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 ...