POV: You’re hitting your favourite group class several times a week. You can feel yourself get a little stronger every time you walk onto that floor. Until they bring up one dreaded move: push-ups.

The push-up is one of the best upper body exercises there is, and one of my favorites. If you want a strong chest, defined arms, and a stable core, push ups will help you get there. Don’t think of ...

See the push-up counts that signal top strength after 55, plus an easy plan to add 1 to 2 clean reps each week.