he went off his right foot, took off a step early basically. it surprised us, too, because it happened way too fast. It took TNT by surprise too as they were showing some replay and only turned back to the game as Russ was screaming and pounding his chest. yeah, i was wrong, too. he jumped off his left foot, but something about it looked unnatural. here's a good blow by blow description of it http://www.hardwoodparoxysm.com/2010/04/23/nba-playoffs-thunder-lakers-game-3-heres-how-russell-westbrook-killed-a-man/