Thanks maheshsubbiah. I actually did do a point contstraint by selecting the knee joint and then the control before I bound it to the skin, which is why it follows in the first picture. I then...

hmm, not sure why you can't see them. I've attached them to this reply.

Can somebody look at the following images and tell me based off of the hierarchy and constraints why the indicated controls don't follow the joint chain and parent objects once I bind the skin to the...