Yep, quite often, Cam wil quite often position himself in doorways, so if I am not paying attention I will often step on him. I have also closed doors on him, went to open doors and he was to close so bumped him with the door. I also do things like this to the dogs. I think it is just a natural thing that will happen when you have pets who need to be by you all the time. I always feel bad and they get lots of treats, so sometimes I think they get in my way on purpose