Commercial:
http://www9.nationalgeographic.com/c...eoPreview.html
Info:
-Airs in a two days
Stuff taken from the National Geo website:
-In Jiu Jitsu, a fighter applies 600 pounds between the skull and spinal cord on a dummy opponent—enough to kill or paralyze a man.
-In Kung Fu, a strike measured 40 feet per second, four times faster than a strike by a snake.
-A Muay Thai knee strike generates the impact of a (56.33 kph) car crash.
-A TKD spinning back kick generated more than 1,500 pounds of force.
Looks cool