Banned User
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Join Date: Mar 2015
Posts: 18
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Banned User
Join Date: Mar 2015
Posts: 18
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Concussion from Jerking Head
I know that it is possible to get a concussion without direct impact of the head. For instance, one can get a concussion from jerking their head too quickly or with too much force. I've had problems with headed jerking in the past and have recently had more bouta. My question is: how hard does one have to jerk their head to cause a concussion?
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