jiu jitsu
http://www.youtube.com/watch?v=fILcBU2pQgc
there were some nice jiu jitsu techniques used in this movie, i didn't know aaron eckhart trained in it. i saw a rear naked choke (brazilian jiu jitsu) and some other nice shoulder/finger manipulations (japanese jiu jitsu) during the fight scenes, it was really nice.