<div class="gmail_quote">On Thu, Aug 2, 2012 at 7:51 AM, Stefano Vaj <span dir="ltr"><<a href="mailto:stefano.vaj@gmail.com" target="_blank">stefano.vaj@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="gmail_quote"><div class="im">On 31 July 2012 20:20, Dave Sill <span dir="ltr"><<a href="mailto:sparge@gmail.com" target="_blank">sparge@gmail.com</a>></span> wrote:</div></div></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div><div><br></div></div><div>OK. I think ["natural" is] a useful concept, you disagree.</div>
</div></blockquote></div><div><br>I maintain that the concept itself is a cultural artifact and can be reduced ad absurdum with appropriate examples and thought experiments in every circumstance.<br></div></div></blockquote>
<div><br></div><div>Eventually, perhaps, but we're not there yet. While it's still useful it makes sense to use it.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div>Seriously? How about when a body part that contributes to the performance of a sport is replaced with a man-made replacement?</div>
</div></blockquote></div><div><br>So, the line would be that you can add, but you cannot remove?</div></div></blockquote><div><br></div><div>No, the line would be that a man-made replacement for a body part is a prosthetic. I don't know what the rules should be for prosthetics, but fairness requires that they not confer an advantage. The rule could be that runners with prosthetic legs can't compete against runners without prosthetic legs.</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div> What about an athlete with a heart transplant?</div></div></blockquote><div>
<br></div><div>Not a prosthesis, a natural replacement. I don't see a problem with that.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote">
<div> What about, more trivially, the replacement of fat mass with lean mass?<br></div></div></blockquote><div><br></div><div>I don't know...depends upon the mechanism and the source of the lean mass. I don't have a problem with surgical removal of fat mass.</div>
<div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div>If I grew new, enhanced legs on an athlete this would be definitely a bio.logical process, but how would that be "natural"?</div>
</div></blockquote><div><br></div><div>I guess it would depend upon *how* you enhanced and grew these legs, but if they're genetically human they'd be natural in that the biochemical processes that created and run them are the same as those that occur in natural human legs.</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div>I have nothing against the idea of having competitions with specialised rules (say, in trot races horses are not allowed to gallop, irrespective of which pace would come more "natural" to them). </div>
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<br>My point is that they are going to be of the same arbitrary nature of those applicable to Formula 1 racing cars, where investigating what is "natural" for an engine or a vehicle would seem futile.</blockquote>
<div><br></div><div> ``"Natural" for an engine'' makes no sense. Cars are completely man-made, so the rules governing them will have to be somewhat arbitrary.</div><div><br></div><div>I have nothing against performance enhancement due to equipment technology, doping, man-made body parts, etc. I just think that in order for competition to be fair, dopers have to compete against dopers, biomechs have to compete against biomechs, etc.</div>
<div><br></div><div>-Dave</div><div><br></div></div>