Cephalometric points: (1) A-point, (2) MCI-point, (3) B-point, (4) Pog-point, (5) A/G tip of soft Palate, (6) A/G anterior SPAS at A, (7) A/G posterior SPAS at A, (8) A/G anterior SPAS at MCI, (9) A/G posterior SPAS at MCI, (10) A/G anterior SPAS at B, (11) A/G posterior SPAS at B, (12) A/G anterior SPAS at Pog, (13) A/G posterior SPAS at Pog.