,An intramedullary hole was drilled into the femur and a femoral rod attached to the anterior cutting block was inserted, and the block was pinned in appropriate position, judging correct rotation using a variety of techniques. 
,An intramedullary hole was drilled into the femur and a femoral rod attached to the anterior cutting block was inserted , and the block was pinned in appropriate position , judging correct rotation using a variety of techniques .