Learning parkour (free running) seems to be the key for most of the contestants. Weight training may also be helpful. Develop upper body and grip strength and endurance.
Those who have been most successful have also built the obstacles and trained on them.
American Ninja Warrior - 2009 - 4.17 was released on: USA: 24 June 2012
American Ninja Warrior - 2009 - 4.18 was released on: USA: 25 June 2012
American Ninja Warrior - 2009 was released on: USA: 12 December 2009 (TV premiere)
yes
American Ninja Warrior - 2009 4-17 was released on: USA: 24 June 2012
American Ninja Warrior - 2009 4-18 was released on: USA: 25 June 2012
yes American ninja warrior does have Japanese contestants
American Ninja Warrior - 2009 Northwest Regional Finals was released on: USA: June 2012
American Ninja Warrior - 2009 Northeast Regional Finals was released on: USA: June 2012
David campbell
You need to
American Ninja Warrior - 2009 ANW Best of Southwest was released on: USA: 2 February 2013