<prompt> Avascular necrosis is the most common in one of the following fractureGarden 3 and 4 fracture of femoral neckGarden 1 and 2 fracture of femoral neckSub-trochanteric fracture of femoral neckBaso-trochanteric fracture  <response>: The Garden classification of subcapital femoral neck fractures is the most widely used. It is simple and.Garden stage III: complete fracture, incompletely displaced. femoralGarden stage IV: complete fracture, completely displaced. femoral 