Try this 5-minute sit-to-stand test for seniors. Expert trainer explains what your score reveals about strength and longevity ...

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 fitness expert shares the 3 positions that reveal your true core strength after 60 — plus easier modifications if you're not there yet.

Maintaining a strong, stable core is among the most common fitness recommendations given to everyone from athletes to people with chronic pain. Terms like "core exercise" and "core activation" get a ...

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

No, you don't need to walk a tightrope or be an advanced yoga master (though if you are, your balance is probably amazing!). Having good balance is crucial for everyday activities like walking without ...