The five judging categories are Line, Control, Technique, Fluidity, and "Style and Energy". The IFSA Senior Head Judges explain the five categories in the following series of videos provided by the IFSA.
Philosophy of Big Mountain Riding
As told by snowboarding pioneers Tom Burt, FWT Head Judge, and Jim Zellers,TJFS Technical Director. Video provided by the IFSA.
The Five Category Judging System
IFSA Senior Head Judges Jeff Holden, Josh Mattson, Brant Moles, and Jonny Manwaring