Rigging a model with auto rig

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I have gotten a model rigged with the Biped Auto rig DA.

Most everything works fine but the part from the shoulders to the wrist. The locked rotation at the bicep to forearm seems to be giving me a problem in trying to pose the model as if it were running.

Here's the T Pose:


Next I bring the arm down, and then I would expect to rotate the forearm next but I can't because the only axis I can rotate is the X axis, which is NOT what I want here.



To get the pose I want I have to do an awful lot of twisting which looks horrible.


Is there something I've done wrong? Is the model incorrect?
Houdini Models [learning3dfromscratch.blogspot.com]
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The problem was with the original set up in the auto rig asset. When I moved the elbow controller to position it, it changes the direction of the arrow, from it's default position of pointing back, horizontally, to pointing downwards, vertically. This in turn changes how the rotation occurs, and ends up causing a problem. As long you're aware of this and you're *very* careful about how you move the elbow control everything is OK. But it's really easy to screw up.
Houdini Models [learning3dfromscratch.blogspot.com]
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