The shadow of her extended foot is rotating and the front bit of its path is cut off. You can, in act, see the bit under her foot when it is pointing away from you. When you can see it, her foot is moving from right to left. That's a nice analytical way of treating the problem - a left brain process.I think you'll find it's a reflection in the floor rather than a shadow, and hence gives no clues to the rotation.
Follow the shadow with your eyes and you can see her going anticlockwise.
However if the viewer were to interpret it as a shadow...