(L-R) Silver medallist Yohansson Nascimento of Brazil, gold medallist Gunther Matzinger of Austria and bronze medallist Pradeep Sanjaya Uggl Dena Pathirannehelag of Sri Lanka pose on the podium during the medal ceremony for the men's 400m - T46 final on Day 7 of the London 2012 Paralympic Games at the Olympic Stadium.