Use double quotes to find documents that include the exact phrase: "aerodynamic AND testing"

Body checking is a large part of hockey, but there is a risk of concussion. The Amsterdam 2022 International Consensus Statement on Concussion in Sport suggests that body checking should be eliminated in hockey for children and most adolescents. In addition, they found that mouth guards are proven to be effective in reducing concussions and should be mandatory not only in hockey, but in other contact sports as well.