However , ( 1 ) at least half of the form must originate from martial arts techniques .
( 2 ) the competitor must execute at least one technique that involves an inverted move or greater than 360 degree spin .
However , ( 1 ) at least half of the form must originate from martial arts techniques , and ( 2 ) the competitor must execute at least one technique that involves an inverted move or greater than 360 degree spin .