(Maybe we could get to see her roll a player to avoid such a collision someday... you canNOT argue with the "Ooh, COOL!" factor on THAT possibility!!)
Think 250lb linebacker hitting her with full on force. This is serious stuff, at least for those of us who have had the sobering experience of a near lights out hit on the field. Whatever her skills in the martial arts, a brutal impact like that on a small body — with no protection — can have major medical consequences.