iRadツョ-OT has plenty of advanced measurements required in orthopedic surgery built in as standard, including previously set measurements such as the Sharp angle, FTA, Cobb angle, lumbar vertebra sliding ratio, hallux valgus and CORA, and the 窶徘erpendicular line from an arbitrary point on a line segment窶, 窶徑ine connecting the midpoints of 2 line segments窶.