"The first "cheat" trick. The 540 is a trick in which the performer executes a tornado kick and lands on the kicking leg.
From a ready stance, the performer turns away from the target as if to perform an outside spin kick...instead, that action is faked, and the knee pulls upwards sharply as the performer jumps off his base leg. At this moment, a tornado kick is made ready; but instead of kicking it out like normal, the hips violently turn over and the kick is directed up and over in an arc-like fashion...leaving you to land on your kicking leg.
Due to the nature of this kick, the soonest you can return to stance is after 540° of rotation from the initiation of the trick to the terminating of the same." -