If your warmup typically consists jogging on the treadmill for 10 minutes, that's a big mistake. Reduce injuries >>
Most runners do not spend enough time preparing a very important part of their lower body. Simple exercises >>
This workout will help you burn fat and get your six pack started for the summer. See how they're done >>
There are no shortcuts when it comes to getting healthy and fit, but these tips can lead to real results. What experts advise >>
A grueling circuit of eight exercises will light up lungs and hammer your muscles. Follow the directions >>
These three moves help offset the toll that working on a computer -- or even a mobile device -- takes on your body. Boost your posture >>
You'll have to react quickly to switch directions and exercises, based on the trainer's instructions. Follow the video >>
You may be surprised at the muscles you're actually working during your favorite fitness moves. Outdated advice >>
This relay challenge will force your body to move in ways that it hasn't moved in years. But it's fun >>
No one actually says it but everyone knows it's true -- most of us work hard in the gym to see results in the bedroom. 7 key moves >>
