1 = SNA (angle between sella, nasion and subspinale point A);
2 = SNB (angle between sella, nasion and supramentale point B);
3 = ANB (angle between the maxilla and the mandible);
4 = PAS (the narrowest distance between the base of the tongue and the posterior pharyngeal wall);
5 = MP-H (distance from the mandibular plane to the most anterior point of the hyoid bone);
6 = Co-A (amount of the maxillary advancement);
7 = Co-Pog (amount of mandibular advancement).