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 ...

Standard, decline, and diamond pushups form a 3-move strength test after 50. Learn form tips and how to improve.

Squats, push-ups, step-ups, and planks test strength, balance, and core stability at 60. See how to do each move safely.

Many people start doing push-ups with the idea that reaching a specific number (10? 50? 100?) will magically give them the toned arms and chest they've always wanted! But here's the "truth" you might ...

If you can’t do a push-up with proper form, don’t worry – you’re far from alone, and there are alternatives.Illustration: Carmen Casado/The Guardian Are push-ups really worth the hype? According to ...