Build core strength after 50 with 5 bodyweight moves that train bracing and control, often faster than planks.

To learn whether or not your upper-body strength level is where it should be—or needs a bit of a boost—we spoke with experts.

Don't be misled by the idea that a flatter stomach after 60 requires you to lie on the floor cranking out hundreds of sit-ups. The most effective core-strengthening movements can happen right from ...