Subroto Angle Aid (SAA) is an application which used for measuring bend angle of scoliosis and rotation at the installation of scoliosis fixation at human backbone based on Cobb method which using x-ray photo that is easy to use, fast, accurate and affordable
This application has been available in Personal Computer (PC) version developed back in 2005 that has a certification of intelectual property from Indonesian Minister of Justice and Human Rights. This IOS application is built in 2017 and was initiated by Dr. dr. Rahyussalim, SpOT(K).