heyas; okay, that's a new one on me. might want to post your observations over at the poser tech forum; this is the kind of things the techs love to investigate ;) although i haven't seen this happen with moving the hip/body, i have seen weird twists that appear and disappaer when you move body parts. and the way we fixed that was to give each body part a very slight initial twist. double click the part's twist dial and enter .001, and then memorize the figure. see if that fixes it. (whichever part is twisting up. if it's all of 'em, do it with all of 'em.)