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Football (US) OTA is the NFL Acronym for Organized Team Activities. Per the Collective Bargaining Agreement, each NFL team is allowed to schedule a certain number of OTA's during the offseason. Fun fact: *technically* OTA's are Voluntary, and teams are not allowed to penalize players for not attending (with one exception, covered below).
Dempsey says autopsies of people who have had multiple concussions, âsuggest there was a permanent injury, a disruption of axons and loss of brain substance.â. The brain shrinkage seen in autopsies of former football players after multiple concussions is called chronic traumatic encephalopathy.