Thanks for the help. It appears I was on the right track and had already tried manually binding the bones, I must have been doing it wrong.

-GmG-

I have a robot arm consisting of a shoulder, bicep, elbow and forearm. The shoulder and elbow are circles and the bicep and forearm are rectangles. I have added two bones the first anchored to the shoulder and the second anchored to the elbow. When I move the upper bone, attached to the shoulder the...