The CDC estimates 1.6-3.8 million concussion occur in sports and recreational activities annually. However, these figures may underestimate the total, as many individuals do not seek medical advice.
Concussions have become a hot topic both on and off the field of play. While there is still a vast amount of knowledge to be gained from concussions, leading researchers and clinicians have paved the way toward advancing athletic training best practices.
Head-Down Contact and Spearing in Tackle Football https://www.nata.org/sites/default/files/headdowncontactandspearingintacklefb.pdf
Management of Sport Concussion, 2014 https://natajournals.org/doi/pdf/10.4085/1062-6050-49.1.07
CDC: Heads Up