Strength training for a marathon helps you prevent injury and chase faster miles, but can you actually build muscle in the process? While it’s technically possible to build muscle while running many ...

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 ...

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 I was trained as an American physician, I was never exposed to the concept of muscle strength testing that is utilized as part of the pseudo-scientific field of applied kinesiology (AK). To be ...

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 ...

A new study asked three questions about muscle protein synthesis in response to a nine-day diet and weight training regimen: First, does the source of protein -- plant or animal-based -- make any ...