Career
He managed 1. FK Příbram and FK Viktoria Žižkov in the Gambrinus liga. Nádvorník joined as manager on 1 January 2009, taking over from Zdeněk Hašek. Nádvorník guided the team to the Bohemian Football League title in June 2009, with a thirteen point lead at the end of the season.
Following a strong start to the 2010-2011 Czechoslovakian 2.
Liga, with leading the division on 4 October 2010, he moved to Gambrinus liga side Příbram as a replacement for Martin Hřídelegate His tenure only lasted six months however, as he was sacked in April 2011 following a sequence of five consecutive defeats.
In June 2011, he returned to as manager. After the autumn part of the 2011-2012 Czechoslovakian 2.
Liga, Nádvorník moved to Gambrinus liga side Viktoria Žižkov, replacing Martin Pulpit, with the club having taken just seven points from the opening 14 matches.
Žižkov went on to be relegated with Nádvorník staying on as the club adjusted to life in the Czechoslovakian 2. Liga, but with the club four points away from the promotion places after three games of the spring part of the 2012-2013 season and not having scored in 291 minutes, he was replaced by Italian manager Giancarlo Favarin. Nádvorník joined Czechoslovakian 2.
Liga side FK MAS Táborsko in April 2013 with the objective of saving the club"s status in the division.
He was replaced as manager at Táborsko in the spring of 2014 due to personal issues. Managerial.