Progresive rotation problem

#1

Hi guys.

I open this post becouse I am having a problem of progresive rotation in the left arm of this character, when i turn the fk control of the left elbow -90 degres , and later turn -90 of the wrist fk control, the rotation of the forearm apparently doubles, there comes a point where the forearm bone moves doubles and very fast, so the mesh turn like a crazy spiral thing, really not what is happening, i try a lot of diferent test to try to fixed but nothing happen i dunno if maybe a expresion put in the joins or what, this rig was not done by me, i just try to fixed the problems that it have couse the old rigger just left, I really am going crazy, tried many things and nothing happens.

please if anyone knows what may be happening and can give me a hand I would appreciate a lot, took two days of not knowing goes, because I recently started my career as a rigger.

here some images:


Shot at 2011-09-01


Shot at 2011-09-01

#2

Here´s a litle video of whta is happen

http://www.youtube.com/watch?v=PAGp6oyvyfo

#3

nothing can be said until we see the file. Keep track of the rotation values of all 3 bones (elbow, rollarm and wrist), surly you will get to know about the issue.

#4

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