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 »  Home  »  Blogs  »  VO2 #3 showing Improvements
Matt Lorenz
I love to ride my bicycle. That includes racing, commuting, going to the grocery, hanging out with friends, and towing camping gear on long rides throughout the world. If I am on my bike, I am happy! If I am not on my bike, I am either working my real job, sleeping, or doing something else outside until I ride next time. I have been racing bikes since the BMX days when I was 8, then to bike-a-thons, to mtb's in high school and college, to the Armed Forces Elite Cycling Team and Ironmans. Fun! 

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VO2 #3 showing Improvements
By Matt Lorenz | Published  03/15/2007
 VO2 #3 showing improvements

Another few weeks have gone by and another lab test to see where training numbers are going.  The results show some higher numbers and all-around improvement.  As I wrote previously, I am not as interested in Max data as I am in threshold data.  As such, interpreting the numbers to come up with a threshold is a bit of an art.  Sometimes the graph of the data is not so neat and pretty which makes interpreting the data that much more fun.  In six weeks, my threshold power has increased about 50 watts.  Powercranks?  Certainly not all the improvement is from PCing, being that I was flat-out-o-shape to start with, but they definitely help improve efficiency – and add a bit of fun.

15 March 2007:

VO2 l/min Max: 4.29

VO2 ml/kg/min Max: 61.5

Power at Max: 388

RER at Max: 1.25

VO2 l/min at threshold (.95 RER): 2.9

VO2 ml/kg/min at threshold (.95 RER): 41.8

Power at threshold (.95 RER): 245


Some variability in numbers might be attributed to variability in life.  This test was the first I have done in the morning and without having eaten since the night before.  So far, my other two tests were in the afternoon after a full day of class or work. 

Outside the lab, my training, if I dare to call it that, is rather dismal.  I continue to ride my Powercranks on the rollers most mornings.  I have been getting my ‘normal’ 30-40 minutes, but to compensate for my increasing fitness (and because it is warmer than the below-freezing-temps-of-the-past-2-months in my exercise room), I added my Killer Headwind.  Also, I had a good 2.5 hour Powercrank ride outside over last weekend.  I was whipped, yet amazed that I lasted so long.  I am further convinced that Powercranking on the rollers is like riding for 2-3 times that long on the road – not that I would rather be inside, but that it makes good use of my limited training time. 

Until next time, keep on Powercranking!

Matt
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