Musica Siciliana e Tradizioni Popolari

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Labi1995
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Inserito il - 01 marzo 2019 : 04:45:58  Mostra Profilo Invia a Labi1995 un Messaggio Privato  Rispondi Quotando
We devised a careful progression in mileage, and tracked their injury status for 6 months. Suppose 50% of Vibram runners reported an injury in those 6 months, whereas 40% of Pegasus runners reported an injury, and only [url=http://www.matthieugranier.fr/nike-air-max-270-c-19/nike-air-max-270-femme-c-19_20/]Nike Air Max 270 Femme[/url] 20% of Nike Free runners reported an injury. Suppose the differences in injury risk in the three shoes were found to be statistically significant. Based on a result like this, should we conclude that the Nike Free is the best shoe and the Vibrams should be pulled from the market? Perhaps, and I’m sure Nike marketing would be all over this, but the results only indicate that the Free performed better on average than the other two shoes. What if the 50% who were not injured in Vibrams were able to run for the first time in their life without significant pain? Should we advise them to stop immediately because the shoe performed worse than the others? Should we tell the 60% of runners in the Pegasus who had no problems that they should switch to Frees, or should we just advise that they stick with the shoe that’s currently working? [url=http://www.amolan.es/Nike-Air-Presto-Hombre-c-23_63.html]Nike Air Presto Hombre[/url] What if the 20% who got hurt in Frees had really nasty injuries and we could determine that they were caused by the shoe being wrong for their foot? I think you get the point. Studies like this can provide helpful guidance, but they generally don’t have much to say about what is best for the individual. When it comes to running, individuals don’t care about average group responses, they care about what is going to keep them running injury-free out on the road or [url=http://www.zebyswiedzial.pl/]zebyswiedzial.pl[/url] trail.
Again this does not mean that a study like this does not have value. In fact, a study just like this is currently being conducted by Michael Ryan at the University of British Columbia – see video below:The value here is that this type of study let’s us hone in a bit on why some people do better in one shoe than another. It provides us better guidance on where to steer [url=http://www.matthieugranier.fr/]www.matthieugranier.fr[/url]new runners who are looking for a shoe – i.e., it helps us better define a starting point. That’s why I found Ryan’s study on pronation control systems in shoes to be so valuable. It’s not that the stability shoes or neutral shoes never work – for many people they work just fine. But, for others they don’t, and Ryan’s study showed that the way we assign a shoe to a runner appears to be deeply flawed. Given this, I’d generally take the anecdotal experience of a [url=http://www.artealjabiri.de/Nike-Air-Max-95-Damen-c-28_29.html]Nike Air Max 95 Damen[/url] running partner over most over most other sources when it comes to choosing a new shoe. My friends know what I like and dislike in a shoe, and they know my needs/preferences better than any scientific paper or store clerk. That’s not to say that a knowledgeable store clerk is not someone to listen to – it’s just that it can be hard to know at first who you’re dealing with. [url=http://www.matthieugranier.fr/adidas-c-93/adidas-zx-700-femme-c-93_114/]Adidas ZX 700 Femme[/url] Is it someone working a summer job who is following an outdated company fitting policy, or is it an open-minded individual with long and deep experience with lots of shoes? The latter is what you want when you walk into a running store.At the end of all this I hope I’ve made the point that anecdotes should not simply be dismissed, and in some cases they might be even more valuable than the results of a scientific study. As a scientist myself it might be a bit [url=http://www.lavolailles.fr/Nike-Air-Max-Classic-BW-Femme-c-36_37.html]Nike Air Max Classic BW Femme[/url] heretical to say something like that, but it’s what I believe. McDougall’s conclusions may not have been based upon a foundation of studies that clearly demonstrate that barefoot-style running is indeed better, but neither have the shoe companies designed shoes based upon rigorous and open scientific efficacy trials. Don’t believe me? Here’s a quote from Ryan’s recent paper in [url=http://www.amolan.es/Adidas-NMD-Mujer-c-1_3.html]Adidas NMD Mujer[/url] the British Journal of Sports Medicine: “…despite over 20 years of stability elements being incorporated in running footwear there is, as yet, no established clinically based evidence for their provision.” And what of anecdote? Running magazines and books are full of advice based on them, it’s not just McDougall’s article. In fact, l admit to being guilty of it myself – all of the shoe reviews I’ve ever written amount to nothing more than personal anecdotes.[url=http://www.matthieugranier.fr/adidas-c-93/adidas-zx-750-femme-c-93_116/]Adidas ZX 750 Femme[/url] Maybe if McDougall hadn’t referred to the 100ups as foolproof or if he had attached a disclaimer that “individual results will vary” this would have appeased some of the more critical readers. I do agree that there is risk associated with advocating too hard for a particular running style or footwear type – some people get enthused with a new idea, push too hard with it, and get [url=http://www.zebyswiedzial.pl/adidas-falcon-c-97/adidas-falcon-damskie-c-97_98/]Adidas Falcon Damskie[/url] hurt. Determining just how strong we should push one type of footwear over another is where I do think the more rigorous scientific studies like Ryan’s will help to shake things out. But, I’m certain that his results will not end this debate
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