All Girl Skateboards has gathered some research on sports injuries in females.

“Girls were also twice as likely to suffer knee injuries brought on by bad landings, jumping or pivoting rather than through contact with other players. The authors say this can be attributed to “a number of risk factors, including neuromuscular, hormonal, and mechanical differences” in the genders.”
Read more from the sources on the All Girl Skateboards Site. Go to the site and click on the “Health Issues” link.