France lists more than 200,000 per year, and this figure is probably underestimated: at all ages, in professional sportsmen as well as in amateurs, concussion is possible but difficult to be identified, especially when it does not occur. 'not accompanied by head trauma.
“The concussion is the consequence of a too violent movement of the skull, hard, inside which the brain, soft, undergoes a shaking generating neuronal and vascular lesions,
explains Pr Jean Chazal, retired neurosurgeon and author of
This rugby that kills
(Solar Éditions).
Often there is confusion with head trauma. But there are also concussions without the skull receiving a direct shock. "
Read also:
Rugby: two technologies tested to fight concussions
And with or without associated trauma, concussion is not trivial.
Published this Thursday in
Brain Communications
, the work of researchers from Imperial College London sheds light on this thorny question of brain damage suffered during a concussion.
The authors have
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