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I am no expert or authority on pole vaulting, but I think I know a little bit about mechanical advantage. After watching the replays of both women, I noticed that Russia’s Isinbayeva places her right hand at the end of the pole while Stuczynski places her right hand about a foot from the end. It seems to me that Isinbayeva would get more spring (or momentum) as she is further out on the pole. This difference might have been the reason that Stuczynski couldn’t get the extra height. But, I am not their trainer and they should know more than I know.
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