cwignall said:what does that mean?
junkfoodbad said:Hight Intensity Interval Training.
This is basically a form of cardio workout that is broken down into intervals. There is a period of all out sprinting and a period of medium intensity jogging. For example Sprint for 30 seconds, jog for 1min30sec . for a 2 minute interval.
repeat this 10 times and you have yourself a very effective fat burning exercise in as little as 20 minutes time.
I suggest a 5 minute warmup and cool down in addition