The VRTX LSO has integrated years innovations into an intuitive and specialized design for efficient support within the thoracolumbar spine, providing patients with an innovative brace that delivers appropriate motion restriction throughout the healing process. The VRTX LSOs simplified two piece bivalved design allows for clinicians to apply the brace in a supine position reducing the amount of patient log rolling. This one size fits most brace utilizes built in side panels that extend to fit a wide variety of patient anatomies. This key feature assists in reducing part inventory for clinics. The VRTX LSO can be easily stepped to a TLSO or stepped up to a CTLSO as part of the interactivity found in the VRTX family of products.