OK repairs are underway!
Took Wooksters advice and pulled the broken sections of the knee out using pliers.
<a href="https://s593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/?action=view¤t=Abesknee2.jpg" target="_blank"><img src="https://i593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/Abesknee2.jpg" border="0" alt="Photobucket"></a>
As you can see, plastic had pretty much disintegrated, on close inspection I realized the problem seemed to be that the small screw holding the bottom joint of the knee together was too tight. The small piece of plastic left in place wouldn't move at all, I loosened the screw and it started to move freely.
<a href="https://s593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/?action=view¤t=Abesknee3.jpg" target="_blank"><img src="https://i593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/Abesknee3.jpg" border="0" alt="Photobucket"></a>
I decided to chance my arm, and got the superglue out! There is a black rubber washer sandwiched between the plastic sections (not very clear in pics - black on black) I figured if the glue only got on one side of it, the joint might still move.
<a href="https://s593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/?action=view¤t=Abesknee1.jpg" target="_blank"><img src="https://i593.photobucket.com/albums/tt20/Darthgothikus/Abe%20broke/Abesknee1.jpg" border="0" alt="Photobucket"></a>
Well it's all back together, and after letting it dry completely, seems to be fine! I've put it back in Abe and tested range of movement carefully and seem as good as new!
We'll have to wait and see how it holds up over time but at least I know if it goes again, replacing for a new knee will be an easy fix.
Don't know what to do on the arms except see if it gets worse and if not try a little re-painting as suggested.