Para-snowboarding is a Paralympic sport which is an adaptation of snowboarding for athletes with disabilities like impaired range of motion, impaired muscle power, ataxia, limb deficiency, leg-length difference, athetosis and hypertonia. The sport consists of three disciplines: slalom, giant slalom and snowboard cross. The sport was originally called Adaptive Snowboarding and its first official competition was held in 2000 at USASA Nationals in Waterville Valley NH, USA. It was first included at the Winter Paralympics in 2014 in Sochi, Russia. The first world championships of the sport were held in 2015 in La Molina, Spain. Initially governed by the World Snowboard Federation (WSF), the sport is now officially governed by the World Para Snowboard.