Shape key driver not working with IK bones Blender version 2.79: I configured a shape key driver for when the leg rotates in X, to repair the &quot;shoulders&quot;, but the problem is that the repair shape key shows all the time, even when the bone is not rotated. Here is the file:
You should try some or all of the following things:

Unlock the shapekeys:



In your Driver Editor, choose Type &gt; Averaged Value:



Create a Modifier &gt; Generator with a X value of -1: