The Iowa Knee Orthosis provides which type of stabilization and postoperative support?

• A. Patellar stabilization
• B. Mediolateral stabilization, collateral ligament, postoperative
• C. Ankle immobilization
• D. Hip stabilization

Answer: (B)

Knee braces like the Iowa Knee Orthosis are intended to control motion in the frontal (medial–lateral) plane to protect the collateral ligaments after knee surgery. This brace provides mediolateral stabilization, helping to prevent varus and valgus stresses during early rehab, which is exactly the support needed for collateral ligament protection after operation. It isn’t designed for ankle or hip immobilization, and its main role postoperatively is to stabilize the knee side-to-side rather than primarily limit forward-backward (sagittal) motion. So the device is best described as mediolateral stabilization with postoperative support for the collateral ligaments.