Personally I wouldn't set a power target for intervals that short, they should be done at best effort. If you are under pacing them by setting a power target that is too low you aren't getting the most out of them.
Originally Posted by batman220
So question kind of related to this old thread:
I have better 5m power (345-350w) than 20m power (275-285w) and subsequent estimate of FTP. At 76.8 kg. I am able to put out higher power then most people in my category for shorter periods, can do them more often and recover better from them. But the longer efforts of 10 minutes and above I am heavier and am not as good holding that long of a consistent effort.
My coach provides VO2 intervals such as 40/20s, 30/30s, 20/40s, 1-2m, etc. as 120%-140% of FTP.
QUESTION: Since I have a higher 5m power compared to FTP, Should I error on the side of higher power for the V02 intervals?
An example might be 4 reps of 40/20s @ 120% or 304 watts, 4 reps of 30/30s @130% or 329 watts, and 4 reps of 20/40s @ 140% or 354 watts with 5 minutes rest in between.
I disagree. That's what a power meter is for: Test and experiment. If you're doing "x" minute intervals, do a "x" minute test and start out at 90% of your test value and adjust from there.Originally Posted by kclw
Personally I wouldn't set a power target for intervals that short, they should be done at best effort. If you are under pacing them by setting a power target that is too low you aren't getting the most out of them.
+1. I think 90%MP is a good target power for training segments throughout the power-duration curve > 5secs. There is a volume vs. intensity tradeoff, so as intensity increases volume decreases. In this tradeoff, I favor volume over intensity.Originally Posted by dkrenik
I disagree. That's what a power meter is for: Test and experiment. If you're doing "x" minute intervals, do a "x" minute test and start out at 90% of your test value and adjust from there.
'cause it's a good starting point:Originally Posted by JibberJim
why would you use 1 hour power for deciding your 5 minute power targets?
Originally Posted by acoggan
And yet, training levels based on FTP have been widely adopted, e.g., by British Cycling...go figure!
http://www.britishcycling.org.uk/membership/article/20120925-Power-Calculator-0
Both are based on this:Originally Posted by An old Guy
I see a couple calculators on that page.
This is not about how much you can pump yourself up.Originally Posted by acoggan
Both are based on this:
http://lists.topica.com/lists/wattage/read/message.html?mid=901936066
Might want to read up on Veronique Billat's work. Billat promotes the numerous, shorter, "micro-interval" type of workouts for development of VO2max.Originally Posted by dhk2
Saw an abstract on a recent study which looked at intervals as short as 30 seconds: Scandinavian Journal of Medicine & Science in Sports, Jan 2014). The all-out short intervals were compared with 5 min and 40 min all-out intervals in twice-weekly workouts over 10 weeks.
Results were that the group that did the 30 second all-out intervals showed the most gains in max power output and VO2 max at the end of the training period. Perhaps someone (Dr. Coggan?) who has access to this journal can elaborate on the results.
Believe the theory is that max intervals, even short ones, get our HR and breathing up to the point of oxygen debt. And it's this condition that stimulates the good adaptations in the mitochondria and cardio-vascular system.
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