Quote - On the shoulder, it appears that there may have been an eight character limit on the body part names – at least for the original Poser figures. 

Wow, that takes us back 2 or 3 decades. Like the way PC people continue to spell_like_this. Microsoft gave PCs the ability to use blank spaces and more than 8 letters a long time ago. (I think back around the time they realized the human race would be around beyond 1999.) But old habits die hard, I guess.