Knee Brace | Genu Recurvatum | M.4 AGRFunctional brace for genu recurvatum The M. 4 AGR is a functional knee orthosis. The product is exclusively to be used for the orthotic fitting of the knee and only on unbroken skin. Shores inserted to provide a progressive absorption system: blue lowest density, orange mid density, yellow transparent maximum density The physioglide hinge mimics the rolling gliding movement of the knee and ensures a secure fit Predefinition of absorption load