Bend is rotation in the X-axis, after all, hence the confusion.  Fingers OR toes do not rotate per se, except along their hinge joints in the X-axis.

Only mobsters can rotate other people's fingers, and usually when they owe money!:laugh:

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!