Board sports will always be an asymmetrical sport no matter how much you tweak your technique. Your lead leg steers, brakes, and absorbs while your back leg supports.
Previous Leg Injury Increases Risk of Other Leg Injuries
Once one joint/structure/tissue is injured, compensation patterns usually occur in which the individual offloads physical stress to other areas of the body. This would logically lead to an increased risk of use/overuse/misuse/abuse to these other areas, likely eventually leading to injury.
