For a TLSO, which anatomical areas do the posterior trim lines connect?

The correct connection for the posterior trim lines of a thoracolumbosacral orthosis (TLSO) is from the sacrococcygeal joint to the scapular spine. This connection is essential as it defines the limits of the orthosis and ensures adequate support and control of the thoracic and lumbar spine.

In a TLSO, the posterior trim lines are designed to provide stability and support to the trunk while also allowing for some movement and comfort. By connecting the sacrococcygeal joint—a pivotal area for pelvic alignment—to the scapular spine, which is aligned with the upper body, the TLSO effectively addresses various spinal issues, such as scoliosis or other deformities by helping to correct or stabilize the spinal alignment.

This anatomical pathway is significant because it encompasses a large portion of the spine while maintaining support for the entire trunk. Proper alignment and connection of these trim lines ensure appropriate weight distribution and load-bearing capacity of the orthosis, which promotes better posture and mobility in individuals requiring this type of support.