Having been the Head Team Physician for the US Women’s Alpine Ski Team since 1997 and one of the USOC Physicians for Women’s Sports in the past 4 winter Olympics, I’ve had to know quite a bit about this syndrome and help educate our athletes.

Ok, so some people are loose-jointed. But why does it matter? Here's why. Hyper-lax female athletes actually have a 4-5 times higher ACL risk than other female athletes.

We’ve talked about the way some of our female athletes land when jumping as a risk factor for ACL injury. It turns out, it may be more than just whether or not the knee turns inward.