I was following a rigging tutorial (first minutes of third video) on a simple model I made earlier. But when I add an IK constraint on the bone shin.L to have the bone foot_IK.L become an IK controller, it gives very odd behavior.
When moving the foot around in Pose mode for a small amount, the IK seems to work fine, but when you move it further, the rotations go berserk. And even if i return the mouse back to where it started, the rotations keep being all messed up.
What did I do wrong?