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This takes me back to my time as a student, when on a winter sports trip a girl in the group tore both ACL's in what I heard was a relatively low speed fall on skies. From what I heard it took a long time to recover and I'm not sure if there was ever a full recovery.

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I am a ski race coach, every expert female skier that I know has had at least one ACL replacement, have lost count of the number of them that I have had to help off the hill.

My theory is that women's knees are a fair bit narrower than those of a man of the same height so that they generate more torque on the ligaments.

At what age do you notice this typically happens at?

i'ev heard it was the wider hips, too, which put the ligaments at an angle, and with less muscle mass, compared to males with more leg muscle mass and straight pull ligaments

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