“…This is in line with previous studies by various researchers who have been actively searching for the most suitable choice of ASO for CP patients (Angsupaisal et al, 2017;Chung et al, 2008;Polhan et al, 2019;Ries, Novacheck & Schwartz, 2014;Ryan, 2016;Sahinoglu, Coskun & Bek, 2017;Vekerdy, 2007). The seating orthosis developed by Polhan et al (2019) and Sahinoglu et al (2017) are shown in Figure 1 Based on an interview with parents regarding the seating and engagement of CP patients, Bolas and Boyle (2017) found that using the autonomous mobility and level of social skills of ASO patients is considered meaningful if they can be sociable, learn new skills, be self-sufficient, have fun, and achieve personal objectives. Therefore, Bolas and Boyle indicated that when evaluating the best for CP patients and their families, it is important to figure out what is relevant and important outcomes.…”