Kneecap dislocations are more common in women soccer players than male soccer players. In this circumstance, usually the knee is close to being out straight and the kneecap pops to the outside and dislocates when one twists, turns, or pivots.
The anterior cruciate ligament (ACL) is one of the major stabilizing ligaments in the knee. The majority of ACL injuries in sports occur in the absence of physical contact with other players at the time of injury and are categorized as non-contact ACL injuries. It has been shown that the female athlete involved in cutting sports (soccer, basketball and volleyball) is 4 to 10 times more likely to sustain a sports-related non-contact ACL injury than male athletes.
Some reports have noted a higher susceptibility to knee injury, specifically injuries to the anterior cruciate ligament, in female athletes as compared with their male counterparts. We performed a 5-year evaluation of anterior cruciate ligament injuries in collegiate men's and women's soccer and basketball programs using the National College Athletic Association Injury Surveillance System.
So let’s take a closer look at these three key injuries: Ankle sprains occur most often in soccer when a player makes direct contact with another player, like during a tackle or... Anterior cruciate ligament (ACL) tears of the knee in female soccer players are usually non-contact injuries, ...
Midfielders suffered the most injuries (p<0.007). Conclusion: We conclude that the injury incidence in the WUSA is lower than the 6.2 injuries per 1000 player hours found in the corresponding male professional league (Major League Soccer); however, knee injuries predominate even in these elite female athletes.
When comparing boys with girls in the same sport (soccer) girls have a far greater number of knee injuries and are 3 times more likely to sustain a non-contactACL injury. In fact, 70% of all ACL injuries in girls are non-contact…the ligament tears due to the compromised position the athlete puts it in.
Do you ever wonder why do so many women tear their ACL playing soccer? Is there any science behind this or is it just a myth? Unfortunately, women are 3 times more likely than men to tear their ACL playing soccer.  When we look at elite level soccer players this jumps to women being 7 times more likely! 
U.S. Women's National Team and Orlando Pride soccer star Alex Morgan is out for the rest of the 2019 season with a knee injury.