Lately I've been taking classes on2 at two different studios after doing on1 for a few years. In both studios (both from very reputable instructors), they advocate not giving much of a prep, or any prep at all, for inside and outside turns. By contrast, in my on1 classes, a big emphasis has been placed on prepping for the traveling turns, such that the follow's foot is in front of the other foot, in the opposite direction they'll be turning (e.g., prepping for outside right is in front of left, prepping for inside left is in front of right). Is this commonly taught technique for on2, and if so, is there a mechanical reason for this difference from on1? Is it because in on1, you're beginning the turn out of a pause, and so need more a "windup" to get you going, whereas for on2 you're already moving forward on the 1 before going into the turn?