How do people approximately calculate their LT1 and LT 2 without a blood test?

[image] Quaestor: It appears that in very well trained cyclists (w/kg >4.5), the distinction of LT1/LT2 is useless and correlates ok with FTP. He says this or you are saying this?

[image] tshortt: He says this or you are saying this? I’m paraphrasing, but Skiba is saying this and he is supporting it with the study I referenced.

I guess the revelation is that LT1 = LT2 for highly trained athletes.

I don’t have full access, but it is discussing ftp = lt2 in well-trained cyclists, but ftp is lower than lt2 in recreational cyclists. Cp is generally a little higher than lt2, as if you try to maintain power at Cp, you will be above Cp about half the time and experience increasing lactate concent…

I listend to Skiba on a podcast recently (That Triathlon Show probably). I seem to recall him saying that LT1 wasn’t a factor for him. He also prescribes middle intensities. I have the new book on order.

After clearly defining LT as de rise in lactate of 1 (nmol)…Never talking about LT1, LT2, he goes to say, when talking about FTP: it is strongly correlated with, and not significantly different from the lactate threshold.

…the quote is in page 37. I don’t know how can you interpret it different. If you follow what he is saying. He never makes a distinction between LT1 and LT2. And he defines LT clearly: as de rise in lactate of 1 (nmol) How is LT2 defined?

redlude97: The paper for sure is only referencing LT2, its been around for awhile and discussed plenty. If there is another reference where LT1=LT2 I would be very interested. Yep, me too. That paper (among others I’m sure) demonstrates strong relationship between LT2 and FTP. redlude97…

He doesn’t use LT2, he uses CP as the ‘second threshold’

No, he first defines LT as mentioned, then in the FTP section he references that paper. However, what you say is not true, the paper doesn’t use just a cutoff of ~4nmol it uses the Dmax procedure [image] In any case, it appears that Mr. Skiba is a bit sloppy in the LT discussion.

Calculating LT1 and LT2 approximately without a blood test?

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tshortt February 18, 2022, 4:03pm 288

He says this or you are saying this?

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Calculating LT1 and LT2 approximately without a blood test?

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