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Women and sports injury: ACL tears may be sex specific, linked to menstruation

About 2 million people suffer anterior cruciate ligament tears annually and this injury afflicts more women than men — more than twice the number of women tend to suffer ACL injury than men.

July 23, 2023 / 19:07 IST
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More than twice the number of sportswomen tend to suffer ACL tears than men in sports.
More than twice the number of sportswomen tend to suffer ACL tears than men in sports.

One of the most common injuries among sportspersons, no matter what level they play at, is the tearing of the anterior cruciate ligament, commonly known as ACL. ACL tears despite being common are one of the most serious injuries and require surgery and a long time (anything between six months to a year) to heal. According to data available, about 2 million people suffer ACL tears annually and this injury afflicts more women than men — more than twice the number of women tend to suffer ACL tears than men. Tanvie Hans, who played for the north London club Tottenham Hotspurs women’s team, says, “I was just talking to another footballer about how ACL tears are a lot more common among us than men.”

There is even anecdotal evidence for this. Just recall last year’s FIFA men’s World Cup and the UEFA Women’s Euro tournaments. While there were no abstentions from the men’s tournament due to ACL injuries, world’s current No. 1 women’s footballer the Spaniard Alexia Putellas, who plays for Barcelona FC women, suffered an ACL injury during a training session on the eve of the Euros. During the tournament three more women suffered ACL injuries. Shortly afterwards the tournament’s best player and top scorer England’s Beth Mead and her Arsenal teammate have both suffered ACL tears while playing club football. Both are racing against time to recover and be fit for the FIFA Women’s World Cup, which takes place in Australia and New Zealand later this year.

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Not only ACL tears are expensive and time consuming to treat, they are also preventable according to new evidence available, say experts. While more research is needed to establish why a disproportionately high number of women suffer this injury compared to men, there is some evidence to show that it is linked to women’s menstrual cycles. “The body of a woman undergoes cyclical biological changes, hence the approach for the physical activities that they undertake needs to be tailor-made for them,” says Dr Amite Pankaj Aggarwal, director and in charge of the sports clinic at Fortis Hospital Shalimar Bagh.

A study published in the Journal of Athletic Training in 2013 found that the incidence of ACL injuries was greater during days 9 to 14 of a 28-day cycle and lower during the post-ovulatory phase, i.e. day 15 through the end of the cycle. The researchers also found that female athletes were at increased risk of ACL injury during the preovulatory phase and that fewer injuries occurred as the cycle progressed. They found that a narrower femoral notch, higher-than-average body mass index, and general joint laxity predicted ACL injury risk among women. Women with higher knee laxity were 2.7 times more likely to suffer ACL injuries than those with lower laxity. There was no such link for men. This study points to the fact that the anatomical risk factors for ACL injury may be sex specific.