It's probably worth mentioning that this extends to the arms as well, whereby female arms are more "twisted" meaning they do not straighten as much as males'.

It's probably worth mentioning that this extends to the arms as well, whereby female arms are more "twisted" meaning they do not straighten as much as males'. This affects throwing, swinging, punching, etc. You know, the types of things you do in sports :) I believe this is an evolutionary trait to aid in carrying babies...but please someone correct me on this if this is wrong (much like the hips have evolved for child-birth)