ACL injuries are among the most common injuries in sports. They affect everyone from the young high school soccer players to the strong, agile professional football players. As New Englanders, we have seen some of our favorite athletes including Tom Brady, Wes Welker, Julian Edelman, and Rob Gronkowski suffer this unfortunate fate. The ACL injury is also one of the most researched injuries in sports medicine. We have learned a lot about the biomechanics of how the non-con