Push-ups are a top test of strength. See how many you should do based on your age—and what your score says about your fitness ...

Men's Open bodybuilding star Nick Walker pushed through a heavy high-rep workout to improve his chest, shoulders, and triceps ...

Speaking of power output, stairs work some of the biggest muscles in your body (think: glutes, quads, and calves. Plus, ...

Stand facing a sturdy coffee or dining table. Place your hands flat on the edge, slightly wider than shoulder-width apart.

Are you ready to challenge your limits? In this exhilarating video, we embark on an incredible journey to discover just how ...