Learn how to improve push-ups with this personal trainer's advice based on common mistakes she sees in the gym.

POV: You’re hitting your favorite 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-ups always came easy to me. In my 20s and 30s, I could crank out more than 30 a day if I wanted to, and I loved how strong they made me feel. But the other day, when I went to do a set of 10 push ...