Definition: 540 or 540 jump is a shortened name for 540 degrees of rotation in the air. This most commonly performed in vert or vertical aggressive skating, where the athlete spins one-and-a-half rotations before landing. This is one-and-one-half of a revolutions in the air. There are a lot of variations of this based on body position and the structure used. One-and-one-half-jumps exist by other names in other forms of skating, too.
Also Known As: 540, one-and-one-half-jump
