A, Decubitus position with thigh abducted and knee and hip flexed allows access to anterior knee for arthroscopic and standard open technique. B, In second position, hip and knee are extended and table is tilted toward prone position to allow access to popliteal fossa, where vertical incision is made in line with semitendinosus tendon (inset). C, Patellar tendon bone block is inlaid within tibial window and secured to cancellous bone with screw and spiked washer. SEE TECHNIQUE 45.27.