You can set the rotation centers by going to Window/Joint Editor, select the part and in the edit window select center. Move the green cross hairs to where you want the rotational axis to be. For what you are doing here you can ignore the red end point cross hairs. If you use the mouse and translation tool to move the center it will be best to work in one of the ornithological views.

It looks as though you already have bending turned off for the figure which is good.

To remove unwanted dials open the CR2 file in a text or purpose made editor, find the lines relating to it, look for:-

hidden 0

and change to:-

hidden 1

Hope this helps.