Forget the six-pack—real core strength at 60 is about stability, balance, and independence. Take this three-move trainer challenge to see how your torso measures up for the years ahead.

Get stronger without straining your knees, hips, or shoulders.

Staying physically independent is important at any age, but once you reach 60 and beyond, strength exercises that target major muscle groups – including those in your arms – become even more crucial ...