You'd think that as an athlete preparing for the biggest event of your life, the temptation might be to wrap yourself up in cotton wool in the days before you're due to travel, just in case. But just a few days before Sammi Kinghorn was due to fly out to the Team GB Paralympic holding camp in the Brazilian city of Belo Horizonte, she was in the Kinghorn camper van returning north from some tune-up racing in Coventry. And in between packing for almost month-long trip, she was