• Critical Power/CP-

The average power a cyclist can maintain for any given duration of time. Critical power can be used as a parameter for training intensity once a rider's CP zones are determined by completing CP field tests. CP zones are expressed as CP followed by the time duration in minutes. Typical CP durations are CP.2 (12-seconds), CP1 (one-minute), CP6, CP12, CP30, CP60, CP90, and CP180.
http://support.trainingpeaks.com/...ossary-of-terms.aspx

That is actually WRONG.

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This is actually RIGHT:

http://www.twowheelblogs.com/...itical-power-testing

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The Triathlon Squad

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I have all of the Rides DVDs. I think they are by far the best training DVDs. They are all an hour long except for the Kentucky one, which is an hour and a half and very difficult. The others feel like going for a somewhat difficult one hour ride. I like that because I get a good workout in, the time on the trainer passes, but I am not too shelled to do another workout the next day. Very good music and training tips and some funny pop ups. When I get sick of the music, I do the workouts with the sound off my TV and my Ipod on. Rides 1 is older and has the best music and funny pop-ups, but the least features (no display on the bottom telling you what to do). The latest one, Texas, is really good because it has a tempo workout, which you can repeat on consecutive days, but it also has a lactate threshhold workout, which is hard. Southern California is 54-minutes and has lots of hill climbing. Las Vegas one is a bit more high intensity. North Carolina is not too high intensity and you can do it on consecutive days. Anyway, I really recommend these DVDs - I think they are fantastic.