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Reconstructing the head shot that knocked out Max Pacioretty

Scientists replicate the hit—and see how it compares to Sidney Crosby’s


 

Scientists at the University of Ottawa have reconstructed a hit similar to the one sustained by Max Pacioretty of the Montreal Canadiens during a game on March 8.

That’s when Zdeno Chara of the Boston Bruins slammed him headfirst into a stanchion—knocking him unconscious, breaking a vertebrae and causing a debilitating concussion from which he has yet to recover.

The impact occurred at a speed of 36 km per hour—nine kilometres faster than the hit Sidney Crosby took on New Year’s Day. He hasn’t returned to play since being diagnosed with a concussion on January 5.

The reconstruction was conducted by Blaine Hoshizaki, director of the Neurotrauma Impact Science Laboratory, and his team.

Maclean’s will have more on what science can tell us about the Pacioretty hit and concussions in hockey…

Video provided by Neurotrauma Impact Science Laboratory, University of Ottawa


 

Reconstructing the head shot that knocked out Max Pacioretty

  1. How was it determined that the impact occurred at a speed of 36 km per hour ?

  2. By watching the video footage, they can deduce the speed of the players by recording the time it took for them to skate from one area on the ice to the next. Since the dimensions of the rink (distance from blue line to red line for instance) are known, the speed can be calculated quite easily.

  3. They have a very detailed time and position recording of nearly everything that goes on in the nhl (except of course golf swings by marchands…. ) so speed is very easy. frank mentioned from the blue line to the red line, which is true (at least an average speed), but they can reduce that to probably a foot and a tenth of a second to find the nearly instantaneous speed.

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