Official Michael Ennis

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Jaws
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But they share the load with 80 team mates & spread the 60min worth of play across 4hrs
Yeah some massive individual contacts but lacks the repetition of heavy contact NRL has
With no sub limitations they can freely rotate players can cop the most brutal contacts* which we can’t do in NRL as well

*quarterback is the only one who has to keep backing up as long as they possibly can but they have a team of guys who are supposed to be protecting them, and are also heavily protected from late or excessive hits
 

Sparkles

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Yeah some massive individual contacts but lacks the repetition of heavy contact NRL has
With no sub limitations they can freely rotate players can cop the most brutal contacts* which we can’t do in NRL as well

*quarterback is the only one who has to keep backing up as long as they possibly can but they have a team of guys who are supposed to be protecting them, and are also heavily protected from late or excessive hits

I had a thought that the impact was different, especially with the helmets and leading with the head a they do. This is interesting:
Recording data from sensors attached to the helmets of college players, researchers at Virginia Tech, led by mechanical engineer Stefan Duma, recorded more than 3,300 hits to the head during 10 games and 35 practice sessions in 2003. They concluded that players receive an average of 50 hits to the head, each with an average force of 40G (40 times the force of gravity). This is similar to the force generated by a boxer's gloved punch. The most severe hits were recorded at around 120G, which is approximately the amount of forced associated with a severe car crash. It is not unusual for a player to endure one or two hits of this magnitude during the course of a game.

 

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I had a thought that the impact was different, especially with the helmets and leading with the head a they do. This is interesting:
Recording data from sensors attached to the helmets of college players, researchers at Virginia Tech, led by mechanical engineer Stefan Duma, recorded more than 3,300 hits to the head during 10 games and 35 practice sessions in 2003. They concluded that players receive an average of 50 hits to the head, each with an average force of 40G (40 times the force of gravity). This is similar to the force generated by a boxer's gloved punch. The most severe hits were recorded at around 120G, which is approximately the amount of forced associated with a severe car crash. It is not unusual for a player to endure one or two hits of this magnitude during the course of a game.

Given there are rules around helmet to helmet on a defenceless receiver and contact to head of QB, and throw in many positions do t really make or receive tackles, I would say that data may be correct in that 1-2 forces of that nature to a player in a game may not be unusual but I doubt it is representative of each player

Ie maybe one or two players have that but not the 100 or whatever players active for the game

And I agree they do have a lot of head to head contacts which is clearly awful for CTE but I was talking more general physical toll and ability to manage that
 

BurgoShark

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I had a thought that the impact was different, especially with the helmets and leading with the head a they do. This is interesting:
Recording data from sensors attached to the helmets of college players, researchers at Virginia Tech, led by mechanical engineer Stefan Duma, recorded more than 3,300 hits to the head during 10 games and 35 practice sessions in 2003. They concluded that players receive an average of 50 hits to the head, each with an average force of 40G (40 times the force of gravity). This is similar to the force generated by a boxer's gloved punch. The most severe hits were recorded at around 120G, which is approximately the amount of forced associated with a severe car crash. It is not unusual for a player to endure one or two hits of this magnitude during the course of a game.

I'm not arguing against you mate, but that is quite possibly the worst web site I've seen in 10 years.

Here are some working links to the great work done by Guskiewicz and Duma which is referenced on that diabolical site.


 

Sparkles

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Given there are rules around helmet to helmet on a defenceless receiver and contact to head of QB, and throw in many positions do t really make or receive tackles, I would say that data may be correct in that 1-2 forces of that nature to a player in a game may not be unusual but I doubt it is representative of each player

Ie maybe one or two players have that but not the 100 or whatever players active for the game

And I agree they do have a lot of head to head contacts which is clearly awful for CTE but I was talking more general physical toll and ability to manage that
The data is a bit long in the tooth but it does state that the heaviest impacts were not with the receivers. RB's had big hits but less frequent. You'd conclude those head knocks were mostly lineman.

While Burgo righty points out that the website looked like it was designed by someone heavily concussed, the research looks legit. 50 head knocks on average per player with the force of a punch... That'd be each game, too. That's more than any NRL player I'd say.
 

Sparkles

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I'm not arguing against you mate, but that is quite possibly the worst web site I've seen in 10 years.

Here are some working links to the great work done by Guskiewicz and Duma which is referenced on that diabolical site.


The badly designed site just shows how little time they had left for anything outside of their enormously rigorous research... It's a badge of honour, really
 

BurgoShark

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The data is a bit long in the tooth but it does state that the heaviest impacts were not with the receivers. RB's had big hits but less frequent. You'd conclude those head knocks were mostly lineman.

While Burgo righty points out that the website looked like it was designed by someone heavily concussed, the research looks legit. 50 head knocks on average per player with the force of a punch... That'd be each game, too. That's more than any NRL player I'd say.
Percentile graphs are so 2005. If only he had a quadrant he'd be a household name by now.
 
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