You have to engage your core constantly as you sit straight, stand tall, and walk confidently, which requires a lot of endurance in your midsection muscles. The best way to build ab endurance? A core ...

In the second installment of our six-part core lab, Tonal Instructors Dr. Liz Letchford & Coach Paul Wright guide you through a workout to maximize your rotation. This conditioning workout consists of ...

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.

A combination of static and dynamic exercises, cardio, and a nutritious diet may strengthen the muscles in your core, including your abdominals. It’s no secret that getting a visible six-pack is a ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. There’s no shame ...

BEFORE WE GO any further, there are a handful of notions about your core training that you need to ditch immediately. If any of these sound familiar to you, don’t sweat it. You’ve likely heard about ...