. >> don't let dust and allergies get between you and life's beautiful moments with flonaze allergy, they won't. six a greater than one. flonase out performs other allergy "nightline," pushing the limits. >>> good evening. thank you for joining us. it's been said the human spirit is the strongest force there is. you're about to meet a woman who had it all. it all changed. and then a surgery gives her a new dream. now we have the story of one remarkable woman pushing the limits. >> lindsay ess a woman in her early 30s is a new bee to cross fit. in cross fit, teams that have space for athletes who look like this and like this also include athletes who have experienced severe injuries, and even lost limbs. like lindsey. but here's the thing about her that you might not be able to see. it's not just her legs that are, so to speak, borrowed. what's not obvious to the naked eye is that her hands, too, are a gift from someone else. a gift she had not yet received when we first met her six years ago. when this and this were part of her reality. >> the most common questions i get are how do yo