He stands her up and makes her weak in the knees. Not in the way she was hoping, though. Her legs are locked into stocks and her poor, sensitive nipples tied tight to posts. She can only move the top half of her body when he canes and whips her, and as she does her nipples are strained even more. When she can't stand up any longer he lowers her down to her knees and works the soles of her feet.
The positions he puts Madisin in become more and more rigorous. Her body is contorted and punished in increasingly severe ways. Eventually she will receive her rewards; incredibly intense orgasms that will leave her entire body shaking.