Here’s a deeper dive into which muscles you’ll work when doing a push-up. What Muscles Do Push-Ups Target? To perform a classic push-up, you’ll start in a high plank position, bend your elbows to ...

What if I told you that you could torch your upper body in just nine minutes — if you’re prepared to try 90 reps of decline push-ups against the clock. This upper-body strength challenge will fatigue ...