Which statement describes the LSO Plastic lumbosacral jacket?

• A. Attaches to skull by screws
• B. More cosmetic but hotter
• C. Provides max support by spreading forces over larger area
• D. Uses a forehead band without screws

Answer: (C)

The main idea is how an LSO jacket achieves stability: it immobilizes the lumbar spine by encasing the torso in a rigid plastic shell that distributes external forces across a broad surface. This broad distribution means movement and loads are spread over a larger area, reducing point pressures and giving the spine more support during healing or after surgery. The jacket doesn’t attach to the skull or forehead, and its purpose isn’t cosmetic—it’s to maximize stabilization by spreading forces. That’s why describing it as providing maximum support by spreading forces over a larger area is the best answer.