heyas; well, it won't be able to bend right, if you don't use at least 3 segments per body part. it will bend like 35 attached together squares ;) my guess would be that poser is trying to bend the last segment somehow (some-why) and has nothing to work with, so it's making the corner pop out. of course, that may be totally off. see what happens if you use 3 or 4 of those segments as the last body part.