3dsmax - Cat Rig - One last problem, need help please (VIDEO). IK to FK rotates foot and toes? WHY?

sr3d

When I switch the foot from IK to FK, it rotates the foot and toes for some reason. It's very annoying. I don't want it to do that.

Here is a short, short, short video of me explaining the problem and demonstrating it:

https://www.youtube.com/watch?v=mKUsUJD8Lmc

3d studio max 2014