I loaded a certain pose preset, and then I rotated it 180°, and his legs seem to be distorted? It only looks normal at the angle at which it was loaded; after rotating it around, it becomes weird! What causes this?
Posture Collar
An elegant collar for an elegant wearer!
A posture collar is a rigid restraint designed to limit head movement, keep the chin elevated, and force upright posture.
And thus your model will need to learn :)
Make sure to turn off "Auto behaviours" for mouth and jaw! Otherwise her...