Missed the mark on your last trail run? Maybe it's because you've been training indoors. What's the science? >>
Working out harder instead of longer could be the secret to warding off serious health issues. Why this works >>
This routine is a total-body blast that will light your arms, glutes and lungs on fire. Follow the video instructions >>
Which running activity is the better cardio call? Breaking it down >>
In fewer minutes than it takes to make a sandwich for lunch, you can get a surprisingly good burn. Fast and furious >>
Are you hunched over your computer right now? Then it's time to get up and move around, even if it's for a minute. Because whether it seems like it or... Full Story >>
Green. It's something most of us know how to do. We screw in our energy-efficient light bulbs, consume organic food, install solar panels on our roofs... Full Story >>
Herman Cain is out of the presidential race, but this fitness regimen is a memorable way to rid your life of excess pork. Get results in 2012 >>
Does your treadmill workout make you feel like a rat on a wheel? Then it's probably time to change up your routine. And not just because you're bored.... Full Story >>
