I roughly remember my first HIIT cardio workout. I had read an article in Muscle Media 2000, written by Shawn Phillips (in 1993 I think) describing a way to do cardio to burn fat like crazy. When I went to my gym and performed HIIT on the treadmill, people gave me some crazy looks. I’ve been experimenting and studying up on HIIT cardio ever since…and after close to 20 years, I’m still in learning mode. In this post I’m going to break apart a study that compares short 30 seconds intervals with longer 3 minute intervals. This study found that the 30 second intervals could be more effective than 3 minute intervals. I’d like to give you some practical ways on how to use the findings in this study.

[Rugby is an example of the effect that sprint intervals have on the body. Obviously these guys train in a number […]

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