Fitness fact: Push-ups are one of the best total-body exercises you can do. So if you've come across the latest viral fitness TikTok trend—the 11 push-up challenge—there's good reason that tons of ...

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 ...