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15-11.-2007, 03:03 AM
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#1 |
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Registered User
Join Date: Jan 2006
Posts: 113
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Determining FT
I'm sure determining one's FT is like anything else and there are a bunch of different methods. What's the "best" way of determining FT?
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15-11.-2007, 03:28 AM
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#2 | |
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Registered User
Join Date: Oct 2006
Posts: 1,383
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Re: Determining FT
Quote:
Shamelessly cut and pasted from the Topica Wattage lists..... RE: Seven deadly sins...  Andy Coggan  Jun 21, 2004 13:51 PDT Andy Coggan wrote: ...er, ways of determining your functional threshold power (roughly in order of increasing certainty): 1) from inspection of a ride file. 2) from power distribution profile from multiple rides. 3) from blood lactate measurements (better or worse, depending on how it is done). 4) based on normalized power from a hard ~1 h race. 5) using critical power testing and analysis. 6) from the power that you can routinely generate during long intervals done in training. 7) from the average power during a ~1 h TT (the best predictor of performance is performance itself). BTW, another method that could be added to this list would be to do an incremental exercise test to determine 'MAP', then estimate functional threshold power as being ~75% (range 72-77%, using Ric Stern's guidelines) of this value. You could then use this estimate as is, or if necessary/desired, further refine it using one of the methods described above (e.g., by doing a TT). BTW, the reason this approach works is because in trained cyclists, LT falls within a fairly narrow range as a percentage of VO2max, and there is tendency for those with the highest LTs to have the lowest anaerobic capacities (and therefore a slightly lower MAP relative to power at VO2max), and vice-versa. In any case, at the very least knowing your MAP will help 'bracket' what could be considered a reasonable range into which you expect your threshold power to fall. -Dave P.S. I like number 6 because it happens every time you do a session of L4 work and you don't have to plan any special testing days. If I'm gonna test I like #5 since it gives me good predictions of the power I should be able to sustain for shorter periods which is real useful for pacing the 10-20k time trials common in weekend stage races. Last edited by daveryanwyoming : 15-11.-2007 at 04:11 AM. Reason: post script |
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15-11.-2007, 06:33 PM
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#3 | |
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Community Team
Join Date: Nov 2002
Location: Newport, South Wales
Posts: 3,829
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Re: Determining FT
Quote:
or perhaps it's 8 deadly sins... RE: Seven deadly sins... Andy Coggan Jun 21, 2004 13:51 PDT Andy Coggan wrote: ...er, ways of determining your functional threshold power (roughly in order of increasing certainty): 1) from inspection of a ride file. 2) from power distribution profile from multiple rides. 3) from blood lactate measurements (better or worse, depending on how it is done). 4) based on normalized power from a hard ~1 h race. 5) using critical power testing and analysis. 6) from the power that you can routinely generate during long intervals done in training. 7) from the average power during a ~1 h TT (the best predictor of performance is performance itself). BTW, another method that could be added to this list would be to do an incremental exercise test to determine 'MAP', then estimate functional threshold power as being ~75% (range 72-77%, using Ric Stern's guidelines) of this value. You could then use this estimate as is, or if necessary/desired, further refine it using one of the methods described above (e.g., by doing a TT). BTW, the reason this approach works is because in trained cyclists, LT falls within a fairly narrow range as a percentage of VO2max, and there is tendency for those with the highest LTs to have the lowest anaerobic capacities (and therefore a slightly lower MAP relative to power at VO2max), and vice-versa. In any case, at the very least knowing your MAP will help 'bracket' what could be considered a reasonable range into which you expect your threshold power to fall. Ric
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