1.) It promotes proper joint alignment which may assist in delaying, decreasing the severity of or preventing the need for surgery in the future. 2.) It promotes good trunk alignment which is important for proper breathing, circulation, digestion, and spinal alignment to assist with delaying, decreasing the severity of or preventing a spinal curvature. 3.) Offers a resting and functional position for the child. 4.) Crucial for skin integrity and pressure relief.