Mirabai Chanu has inscribed her name in weightlifting history with her silver medal at the Tokyo Olympics, but until a few months ago, this possibility looked remote as she suffered from a lower back problem since 2018. Just months before the Olympics, with funding from SAI, Mirabai and chief national coach Vijay Sharma went to the USA to train with Dr Aaron Horschig, a former weightlifter and now strength and conditioning coach. Dr Horschig tells NDTV what about Mirabai Chanu makes her an Olympic winner.