Which component is designed for total contact lateral support in cases of significant lateral listing or scoliosis?

• A. Contoured or curved lateral supports
• B. Planar lateral supports
• C. Chest strap
• D. Removable armrests

Answer: (A)

The main idea is providing stabilization around the trunk to resist sideways tipping when there is a significant lateral listing or scoliosis. Contoured or curved lateral supports are designed to wrap the sides of the torso, matching the body's shape so there is continuous contact and even pressure distribution along the rib cage and pelvis. This total contact helps resist lateral flexion, maintain midline alignment, and reduce shear forces at pressure points. Planar lateral supports are flat and do not adapt to the body's curvature, so they offer less stable support for severe deformities. A chest strap mainly limits forward or backward movement and doesn’t provide broad lateral containment, while removable armrests affect upper-extremity positioning rather than trunk stability. Therefore, contoured or curved lateral supports best achieve total contact lateral support in these cases.