[Leica] False starts

[steve.barbour at gmail.com (Steve Barbour)]

On Feb 1, 2010, at 11:41 AM, Lawrence Zeitlin wrote:

> Fro Wikipedia:
> 
> *Athletics (track and field)*
> 
> In track and field sprints <javascript:searchWiki(%22Sprint_(race)%22)>, 
> the
> sport's governing body, the IAAF <javascript:searchWiki(%22IAAF%22)>, has a
> rule that if the athlete moves within 0.10 seconds after the gun has fired
> the athlete has false started.
> [2]<javascript:scrollToAnchor(%22cite_note-1%22)>This figure is based
> on tests that show the human brain cannot hear and
> process the information from the start sound in under 0.10
> seconds.[3]<javascript:scrollToAnchor(%22cite_note-2%22)>This rule is
> only applied at high-level meets where fully automated motion
> sensor devices are built into the starting blocks that are tied via 
> computer
> with the starter's gun. In the vast majority of lower-level meets, false
> starts are determined visually by the officials.


and who validates their accuracy?


Steve
> 
> Since 2003, IAAF <javascript:searchWiki(%22IAAF%22)> rules state that after
> any false start committed, all athletes are
> warned.[4]<javascript:scrollToAnchor(%22cite_note-3%22)>Any subsequent
> false start by any athlete, or athletes, leads to immediate
> disqualification. Previously disqualification occurred only after the same
> athlete false-started 
> twice.[5]<javascript:scrollToAnchor(%22cite_note-4%22)>
> 
> In August 2009 the IAAF <javascript:searchWiki(%22IAAF%22)> announced that
> from January 2010, a zero-tolerance stance to false-starts will be adopted.
> Athletes false starting will immediately be
> disqualified.[6]<javascript:scrollToAnchor(%22cite_note-5%22)>
> 
> 
> Larry Z
> 
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