Why are female athletes plagued by ACL injuries?

It's been called an epidemic of the game. Women's football is dominated by anterior cruciate ligament injuries, and in recent years it seems to be getting worse. 37 players missed the World Cup because of them, and now Sam Kerr has been ruled out of this year's Olympics. So what's going on? And why are female athletes more likely to suffer the dreaded knee injury?See omnystudio.com/listener for privacy information.