What aerobic workout can I do using only my upper body?
I tore my MCL playing football. Unfortunately, the only working out I can do is upper body strength training. Please help me out with some sort of aerobic workout not using my lower body. My whole life is outdoors and I want to get back to it as quick as possible. The Editors Santa Fe, NM
The Workout that Time Forgot
Will caveman calisthenics be the next big thing for adventure athletes?
Don't Be a Middle Man
Easy days should feel nothing like your hard days. Here's how to do each one right.
Beware the Black Hole
Are your workouts working against you? Why one addictive kind of training might be sabotaging your game.
Find Your No Zone
The black hole is a narrow no-go range, a span of about seven to ten heartbeats per minute. Here's how to figure out where it is for you.
Get in shape to climb Mount Rainier.
Reaching Mt. Rainier's summit requires a strong aerobic base, and plenty of hill climbing. Here's how to get both.
How to Run in the Heat
The secret to performing in hot weather? Have a really cold one.
I'm planning to run up the Sears Tower. What's the best way to train?
I'm planning to run up the Sears Tower. What's the best way to train? The Editors Santa Fe, NM
It's the Dog in You
An Oklahoma veterinary scientist named Mike Davis says there's no doubt about it: The world's greatest athletes, of any species, are the canines who pull sleds at the Iditarod. Now, in a project funded by the Pentagon's research arm, he's coming up with ways to make us more like them.
Yes You Can: Run the NYC Marathon
Going 26.2 miles is a great way to prove your grit—and there's no greater showcase than the world's biggest. Presenting a simple plan to get anyone off the couch and across the finish line.
The Paleo Diet for Athletes
How can I train for altitude climbing if I live near sea level?
I would like to conquer Yosemite's Halfdome in September. How can I train for altitude climbing if I live near sea level? Paul Chesterfield, Michigan
Ultramarathon Runner Jenn Shelton
Outside Magazine offers free photo galleries, screensavers, and computer wallpaper downloads. See the best in travel photography, featuring top pictures of Ultramarathon Runner Jenn Shelton.