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Lactate threshold with Mark Burnley, PhD | EP#330

That Triathlon Show

CHAPTER

Lacta Testing

One question about lacta testing still is whether it is sampled from the finger versus the ear lobe. You can't really squeeze an ear lobe, but youre not going to get any blood out of it if you do. The only issue with the ear lobe is that i don't often use the ear lobe and I know people who swear by it. But once you've punctured the skin of the ear lobe, it does bleed very well. And what you do need is a free flowing sample. When you are taking a sample from the finger tip or the thumb tip, there is a tendency to squeeze and milk the sample. That can affect how much lacta is in the the red

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