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 ...

While pushups alone won’t save your life, they will always be a solid marker of fitness, health and wellness, and they can help you prevent frailty from age-related muscle loss and poor posture.

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Push-ups work your chest, arms, core, and legs all at ...