HIIT (Hight Intensity Interval Training) is the best thing you can do for fat loss. Long, slow, boring cardio is so OUT! It does nothing for fat loss.  I love HIIT..its fast and EFFECTIVE! What else could you ask for! I do my HIIT or interval training right after my strength training workouts and they last 10-15 minutes long.

Here is great article I found about HIIT that explains it a little further…

http://kescott45.wordpress.com/2006/08/28/hiit-high-intensity-interval-training-explained/