Quote:
	
	
		| Originally posted by Phaenx I did it Saturday on a bike like this:
 
 50% 1 min
 60% 1 min
 70% 1 min
 80% 1 min
 90% 1 min
 
 20 minutes. It was nice, I liked it a lot.
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 That isn't HIIT what you are doing.  High intensity is no less then 80% effort.    Also,  what do you mean by nice?  At the end of a HIIT session you should be completely spent.  It should wipe you out.