If you're looking for a fast, effective way to condition your upper body and core, this 20-minute blitz circuit is designed to help you feel like you did something and even boost your high-intensity ...

Here are three versions of a circuit workout we did last week that simulates load-bearing, equipment carry, and log PT. All you need is a pullup bar, a sandbag and a place to run.

We all work out for different reasons. While many of us focus on aesthetics and looking good, fitness is about much more than that. Longevity, moving pain-free daily, and improving athleticism are ...