Coach P:
I have seen a really recent study, with pretty substantial evidence—but no one has yet to explain fully WHY—
Correlation is a tricky thing, but hormonal shifts in females affect the elasticity of the tendons, apparently, and may cause joints to behave differently. . .If I can find the original study I'll post—without using any terminology that apparently troubles some on this thread. . .
FYI: here is an article that seems to be referring to what I have seen recently:
http://www.islandpacket.com/sports/hhca/story/243653.html