The backflip is considered an illegal figure skating move. It can be done in exhibitions and in professional ice skating competitions, but the backflip will not receive credit and a skater will receive deductions (or be disqualified) if the move is performed in eligible figure skating competitions. read more
And figure skaters already fuck up the ice as is. Those picks cause such insanely deep divots. Also one of the major reasons (some) hockey rinks don't let figure skaters on one or so days before a game is to be played there. read more