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 ...

The push-up is a classic bodyweight exercise that effectively targets multiple muscle groups, including the chest, shoulders, and triceps, while also engaging the core. It requires no equipment and ...