For fitness-minded folks, muscle testing can sound pretty intriguing. But it turns out that it has little to do with fitness...or even muscles. On a basic level, muscle testing looks at a muscle and ...

A narrative review published by Van Every, Lim, Wolfe, Nippard, and Phillips critically examined several popular but poorly ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. Quick background: muscle oxygen ...

When you picture different athletes—marathon runners, gymnasts, and Olympic weightlifters, for example—you likely categorize them instinctively by their height, size, and build. But the differences in ...

For nearly 45 years of training, I have heard conflicting information about reaching failure when lifting weights or even doing calisthenics. Either you push until you fail, or you avoid failure by ...

Stop wasting hours on isolation machines and start training for explosive results. Discover how the most efficient movements in fitness trigger a hormonal surge that transforms your physique faster ...

TOOLBOX: “We’re all individuals” shouted the mob outside Brian’s window in the Monty Python classic ‘Life of Brian’. Nowhere is that truer than in how athletes respond to training. Two riders may look ...