Indications:Knee instability due to anterior and/or posterior cruciate ligament (ACL/PCL) deficiencyTo restrict the range of motion after reconstructive surgeryRecommended for low to medium impact sportsFunctions:Polycentric hinge design to fit the actual movement of the human kneePrevent hyperextension via adjustable hinge ROM4-leverage design for optimal stabilizationFeatures:ROM hinges with plug-in flex/ext stopsExtension limitation at: 0°, 10°, 20°, 30°, 40°Flexion limitation at: 0°, 10°, 20°, 30°, 45°, 60°, 75°, 90°Immobilization limitation at: 0°, 10°, 20°, 30°Hypoallergenic silicone-grip strap pads for anti-migrationConcentric condyle pads correspond to bilateral femoral condyles.Numbered straps provide desirable counterforce and adjust the optimal size.Size: S | M | L | XL (Left/Right) Measure circumference of thigh and calf:SIZETHIGH (CM)CALF (CM)S30-3725-30M37-4430-35L44-5235-42XL52-6042-50