What sounds like “just push-ups” becomes a completely different challenge when you try to complete 60 perfect reps in only 30 seconds, because explosive speed, strict form, muscular endurance, and ...

For those first few explosive push-ups, your muscles tap into stored energy – think of it as your body’s emergency reserve. This system doesn’t directly burn calories in the traditional sense, but it ...

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 ...