Harvard studied injury rates before and after institution of reduced contact practices over a 4 year period.
Conclusion-"Decreased exposure to full contact practice may decrease incidence of practice injuries and practice concussions. However, the game injury rate was over 6 times greater than the practice injury rate and had an inverse correlation with full contact practices"
Conclusion-"Decreased exposure to full contact practice may decrease incidence of practice injuries and practice concussions. However, the game injury rate was over 6 times greater than the practice injury rate and had an inverse correlation with full contact practices"