Dee ihe na-aga n'ihu maka paragraf a - Ọ gbara asọmpi na FIS Freestyle World Ski Championship 1991 na Lake Placid, ebe ọ nọrọ na nke iri na ise na acroski (ski ballet). O ritere ọlaọcha n'egwuregwu ski ballet na FIS Freestyle World Ski Championships 1993
na Altenmarkt-Zauchensee.