LVD wrote:
Also, I'm curious: Is your opinion limited to distance running, or would you also argue that we can't measure the genetic influence on an individual's 50m dash time? I think too many people make the mistake of thinking that "sprinters get there on ability, while distance runners get there on guts", when the reality is that even a hard-worker like Brian Sell has genetic gifts that 99% of the population do not have.
I think that sprinting ability is more obviously apparent at a much earlier stage in an athlete's life because essentially there is no conditioning required to get through a race of 50-100 meters. Many people, including kids, can't run non-stop for a mile without some preparation but anyone can run as fast as they can for 50 meters, though obviously some will do it more quickly than others.
Some distance runners, on the other hand, do get there on guts. Others need far less guts because they seem to have more "natural ability." Many people here seem to think I'm saying that natural ability plays no major role in distance running success and that anyone can be a national class runner if they do enough hard work of the proper kind. I'm not saying anything remotely like that.
What I'm saying is that how well or poorly a person does something, whether it's running, cycling, baseball, or brain surgery, is dependent on the interplay of numerous complex factors and that trying to attribute performance to any single variable, genes, hard work, performance enhancing drugs, whatever is really simple minded and more likely to hamper real understanding of what's going on than to promote it.
So back to the successful sprinter and his genes. What do we really know about that sprinter's genes? Have we taken tissue samples from him, his parents, grandparents, exhumed other of his ancestors and found that many of them carry a gene or genes that make people run fast?
If we've done all of this and found that the sprinter does in fact carry the same "fast" gene as his ancestors, then we have a good, scientific explanation as to why this person can run faster for fifty meters than most everyone else can.
But we likely haven't done any of this. In fact, we don't even know what gene makes people run fast. We might have some theories about where we'd find it, but we haven't found it so we can't test this guy and his ancestors to see if it's there.
What we've done simply is watch this guy do something,i.e. run fast for a short distance, and created an explanation for ourselves as to why he is able to do that. That's pseudo science at its best, or worst.