After half a century of confusion, researchers have a new perspective on the transition from "aerobic" to "anaerobic" exercise
When you stop breathing, oxygen flowing to your brain actually increases—at least for a while
Avoid these mistakes and master the complex full-body movement
A basic principle of training says you get better at the things you do most. So why does cross-training work?
Five gentle weighted moves to help you progress over time
To pick their two-hour marathon team, researchers tested some of the greatest runners on the planet. Now they're revealing what they found.
Bust your gut like the gold-medal-winning cross-country skier
You don’t need an elaborate workout plan to get the most out of your resistance workout; you just need to tune into how you feel
A new review sifts through the evidence for and against hiking with poles
A new study suggests that slow-twitch runners can handle higher mileage than fast-twitch runners before showing signs of overtraining