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Originally Posted by Sports Scientis Hi Crankyfeet, and thanks for your interest in our blog The Science of Sport.
Just to clarify, the study we wrote about in that post was not our research, but instead was original research performed by a Danish group of scientists. We just reported the results on the blog as it is the first placebo controlled trial on EPO and exercise performance. The full reference is here: J. J. Thomsen · R. L. Rentsch · P. Robach · J. A. L. Calbet · R. Boushel · P. Rasmussen · C. Juel · C. Lundby. "Prolonged administration of recombinant human erythropoietin increases submaximal performance more than maximal aerobic capacity." Eur J Appl Physiol (2007) 101:481–486.
However, you are correct in your insight about their measurements. We were also puzzled why they chose a "time to exhaustion," as many review papers have shown that this type of test is marred with variability---especially in non-elite athletes. Therefore a time trial of some sort would have been much more meaningful.
We definitely avoid the scientific scrutiny on the blog, but I must admit that often times reader scrutiny is more stringent! It is a challenge to explain the physiological concepts in such a way that a non-expert can understand them, and very often our readers ask exremely challenging questions. However we have no conflicts of interest on the blog, and this permits us to post freely without undue influence from any third party, and we hope that keeps our info truthful and clean.
Anyway we get enough exposure to scientific scrutiny in our day jobs, and it is refreshing to have the opportunity to try to bring the science to the athletes who are out there logging all the miles. It has been great fun so far (we were "born" in late April) and we are really looking forward to the future and growing the blog more and more over time.
Glad to count you as a reader, and we hope to see you in some of the discussions/debates on our posts!
Kind Regards,
Jonathan |
Jonathan,
Read through much of your site today and there's some good stuff there. Got a couple of questions.
I don't know the hierarchy of physiology journals. Was the EPO study you cited published in a reputable/top tier journal?
Along those lines, I've always wondered about the study published by Coyle regarding Armstrong and the theory that his improved efficiency is due to a change in muscle composition (a conclusion made without a biopsy). Due to the popular press it received, I read the journal article, but know little about the journal. Is it reputable or a 'crap' journal that will publish anything? I found the case study to be incredibly speculative and he jumped to an astonishing conclusion when there are many more proabable causes. How was that article received amongst physiologists?
Thanks,
FS
12-04.-2007
Re: Good article on the performance effects of EPO 
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