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Who knows about getting AT from VO2max and RER?

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Who knows about getting AT from VO2max and RER?

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Old 10-28-05, 09:47 AM
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jbhowat
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Who knows about getting AT from VO2max and RER?

Ok, so yesterday I took a VO2max test. Supposedly you can very accurately estimate your AT/LT based on the data. However it wasn't on the print out and the operator didn't know how to find it exactly. I took the test for free though as part of a Fitness and Wellness class I'm taking. Anyway, the way I'm guessing it can be found is by using what I think was called RER? I forget what it stands for, but basically through gas analysis it determines what ratio / whether or not you are burning fat or carbohydrate. It seems to me like this would be the thing to look at to find AT, right? Since we're burning fat below AT and Carbohydrate above AT? I can host and link to an Excel Spreadsheet with all my data if it will help.

Alternatively if it can't be found is there some way to set up training zones based on VO2max or some other measurement that I have? Unfortunatley we aren't doing LT testing (finger prick) as part of the lab, and I'd like to use all that suffering to maximize my training.

A runner who did the test the day before me got an 83.8! He also ran the Chicago marathon or something at like a 5minute mile pace. I got a 59.6. I think I can get it higher, and I'm going to come back with the guy I did it with (also on the cycling team) to do the test for one of my instructor's lab classes - since nobody ever volunteers and even fit people rarely get over the 40's.




So yeah, HELP!
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Old 10-28-05, 10:34 AM
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I google'd. It looks like RER is Respiratory Exchange Ratio. Its the ratio of CO2 produced versus O2.

According to this site:

http://www.brianmac.demon.co.uk/esource.htm

You are anaerobic when your ratio is greater than 1, meaning you are exhaling more CO2 than O2, or something like that.
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Old 10-28-05, 11:56 AM
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It's kinda hard to determine AT in relation to heart-rate though because there's a time-delay between changes in exercise effort and heart-rate. And exhaled gases take some time to change in response as well. You can plot RER, HR on a graph and draw some trendlines and figure it out based upon intersections of various lines. Can you post a copy of your test?
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Old 10-28-05, 01:29 PM
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I need to get it all into Excel. Was planning on doing that anyway. Probably by tonight, if I manage to finish typing it by the time I'm going to the clubs. If not then sometime Saturday maybe.
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