BBC Sport - Women's football: Why are there so many knee injuries?

The reasons for women's knee injuries

After nine serious knee injuries in the Women's Super League this season, BBC Sport's Alistair Magowan investigates why the problem appears to be on the rise.

According to research, women footballers are already two to six times more likely to suffer anterior cruciate ligament injuries than men because of physiological differences, but could there be other contributing factors?

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