A certified trainer shares 4 core exercises after 60 to test your strength and stability, plus tips to improve each move.

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.

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...

Maintaining the physical functions needed to perform everyday tasks with age has become an increasingly important priority, especially for middle-aged men. Over time, collective goals have seemingly ...