Kukla's Korner Hockey
by Alanah McGinley on 05/10/11 at 12:08 PM ET
M.I.T Ph.D. economics student, Pascual Restrepo, has reached out to us asking for a little help. He has been testing the effect of different types of facial protection on performance and playing style, having constructed a huge dataset of players’ statistics and visor usage, but he still has a few questions.
The only thing missing [from] my research are important dates when different leagues made visors, helmets or cages mandatory and if there were any grandfather clauses or age requirements (for example, the NHL made helmets mandatory in 1979 with a grandfather clause that allowed veteran players to keep playing without one).
In particular I am trying to find the regulatory history (with respect to visors, mostly, but also cages or helmets) of the following leagues: Swiss, Sweden, German, British, Russian or KHL, Denmark, Finland, Czech or any other European league, LNAH, WCHL, WPHL, USHL, and NAHL, and Canadian or US minor and junior leagues.
Can anyone provide answers to Pascual’s questions, or links to some definitive areas to accurately source this information?
Your help would be hugely appreciated, and Pascuel pledges to publish his data and preliminary results here on Kukla’s Korner when his research is complete.
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