Talk:Sprint (running)

message: Who wrote the chapter "Biological factors for runners"? I don't hesitate to say that it's a misleading rubbish! (sorry, but here in Wikipedia you must have extra responsibility, because you can mystify the whole world!). The most important facors that determine sprinters' performance are:
- higher ratio of fast-twitch fibres in working muscles (i.e. legs)
- strongly developed musculature of thighs and buttocks + correspondingly developed upper body that counterbalances forces generated during fast movement
- higher activity of anaerobic enzymes involved in muscular work of short duration
- long fascicles (fusiform muscles) arranged parallel to the course of the movement
- fascicles attached closer to the joint, which enables larger range of movement and hence also quicker movement
- narrower pelvis = little lateral rotation during quick movement and hence less energy loss
- anterior pelvic tilt (in fact lordosis-like buttock or "high buttock")which creates better angle for rapid movement of legs during sprinting in mild foward-bend
- skeletal morphology of legs: short, muscular thighs+long, thin calves. This morphology guarantees minimal inertia during fast movement
As for anthropometry, a typical 100 m sprinter is about 180 cm tall and weighs 75 kilos. His somatotype is highly mesomorphic (1.5-5.5-3, in world class sprinters maybe even 1.5-6-2.5). 200 m sprinters are not much different, but they can be taller and relatively leaner. Quartermilers have a very specific body build: they are the tallest of all runners with an average height approaching 190 cm and weight about 80 kilos. There are only few 400 m runners smaller than 180 cm. Their somatotype is correspondingly less mesomorphic (1.5-4.5-3.5). The reason of increasing height with increasing distance length lies in the decreasing importance of inertia during movement, but increasing importance of step length and anaerobic output. Quartermilers thus have both relatively and absolutely longer legs than 100 m sprinters. A 100 m sprinter with the height and leg length of a 400 m runner couldn't accelerate as fast as his smaller colleague. On the other hand, a small quartermiler with shorter legs couldn't compete with a long-legged man, whose anaerobic output (determined by step length)is much higher. — Preceding unsigned comment added by 82.100.0.50 (talk) 15:49, 1 August 2006 (UTC)
thread_title:  Biological factors 

message: Do we really need to verify that it is difficult to field a strong 400 team?  Fielding a single strong 400 runner seems to be by default difficult; surely fielding 4 of them would be even more so.  At the very least, it is more difficult than fielding a single 400 runner.  Whatchu guys think? JaderVason 02:03, 1 December 2006 (UTC)
replies: text: It really isn't a general "fact" that it is difficult to build a strong 4x400m relay team. It really depends on the situation. It is always harder to find many better runners than just one, that's not really specific to the 4x400m, or even any sort of relay for that matter. Mipchunk 06:35, 1 December 2006 (UTC)
thread_title:  Fielding a 400 team? 

message: I have just topped myself from deleting this entire section as OR, to give somebody a chance to argue for its retention, but I see nothing apposite in it that is verifiable or could not be challenged as POV.  
"It is more common for hurdlers to go to the flat than for runners to start hurdling."  Well what did they do before they hurdled then?
"Often a 400 m hurdler will be able to run the 4 x 400 m relay"  There is nothing to stop a shot-putter from taking part in it either: what is this meant to communicate?
"This is possibly partly because the hurdles and the relay involve a less "controlled" environment"  Is there evidence that jumping over barriers is a good preparation for being jostled from the side?
I'll delete the section in a week unless somebody gives strong arguments here to the contrary in the interim. Kevin McE 09:44, 4 February 2007 (UTC)
replies: text: I don't know about this "less controlled environment" stuff, so the information about the relay seems suspicious. However, the information about conversion between flat and hurdle is certainly true. It is much more common for a hurdler to run flat than for a flat runner to become a hurdler. Furthermore, it is also true that an injury in hurdling can cause an athlete to switch to flats. Mipchunk 19:01, 4 February 2007 (UTC)
thread_title:  Hurdlers section 

message: The 50m distance should be document on this page. 70.51.11.210 (talk) 06:20, 17 August 2008 (UTC)
thread_title:  50m 

message: This should not be part of the 60m distance 70.51.11.210 (talk) 06:21, 17 August 2008 (UTC)
thread_title:  40 yd 

message: I don't believe Wikipedia articles should be allowed to get away with vague unreferenced material such as the coverage here of the 400 m. Currently it says "while this event is a sprint (according to some)". This is quite unsatisfactory, and the 400 m does not even roughly fit the definition given for a sprint: [Sprints are] "roughly classified as events in which top runners will not have to "pace themselves", but can run as fast as possible for the entire distance". Clearly this doesn't apply, as graphically shown in the women's 400 m final in Beijing when Sanya Richards went out to fast and tired rapidly to caught by Christine Ohuruogu. I see the article has been tagged as being unreferenced for a long time. Can't a running coach or sports scientist please sort this out with harder referenced information to make the article more useful to students?  Strayan (talk) 23:49, 24 August 2008 (UTC)
thread_title:  Is 400 m are sprint or not? 

message: The sentence: "a runner's near-top speed cannot be maintained for more than thirty seconds or so as lactic acid builds up and leg muscles begin to be deprived of oxygen.[4]" reports incorrectly what is written in the document of IAAF website, which it refers to. Indeed sprinting is mainly an anaerobic activity, and talking about "oxygen deprivation" makes really few sense. I will substitute the original sentence with one consistent with the explanation provided in the IAAF website.AL458 (talk) 14:12, 27 August 2011 (UTC)
thread_title:  Incorrect IAAF citation (ref. 4)

message: This article has a slightly odd photo choice - "Tyson Gay is the fastest American in history.".  Surely there's a suitable photo of one of the better 100m runners?  Or failing that, perhaps a sprinter of any calibre doing something related to the article's contents, rather than just speaking into a microphone?  — Preceding unsigned comment added by 188.141.54.97 (talk) 22:52, 11 August 2012 (UTC)
thread_title:  Photo choice

message: In my school in the Midlands, the 300 metres is a common run among school and interschool competitions. It is more common than the article makes it out to be.BoredomJS (talk) 17:57, 17 June 2014 (UTC)
replies: text: The article already states that this distance is used in American school competitions. Outside of that, it really doesn't qualify as a common event: common being something like the 100m or 800m etc. SFB 18:47, 18 June 2014 (UTC)
thread_title:  300 metres 

message: World records are all very well and good, but does anyone know of a sports physiology site that might have average speeds with sd, or even a bell curve of the normal population?  — Preceding unsigned comment added by 75.144.195.241 (talk) 02:56, 10 January 2015 (UTC)
replies: text: Which "normal" population – Japan, Canada, ..., London, New York city, ages 25–30, males/females, ... ? They are all "normal" and "populations". Dger (talk) 19:31, 14 September 2015 (UTC)
thread_title:  non-record times & rates in kph/mph? 

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thread_title:  A Commons file used on this page or its Wikidata item has been nominated for deletion 

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