Abstract
On account of the mechanical arrangement and location, the unstable paralytic knee remains a difficult problem, while many operative procedures about the ankle and other joints have been most satisfactory. In paralytic genu recurvatum I have employed a procedure which has been successful in one instance and applied in several others too recent for consideration. The object of the measure is to unite the lower third of the patella to the anterior aspect of the tibia just below the knee joint, leaving the upper two-thirds free but articulating with the femoral condyles in extension thus forming a stop joint and mechanically preventing hyperextension. TECHNIC A linear incision is made through the skin and superficial structures in the midline for 5 or 6 inches, exposing the patella and the ligamentum patellae. The tendon above the patella is incised by a Z-shaped plastic lengthening (commonly employed in lengthening the Achilles tendon). The
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