<prompt> A 4-year-old girl sustained an isolated, closed, diaphyseal fracture of her left femur in a motor vehicle accident. The fracture was transverse with approximately 1.5 cm of shoening. The most appropriate definitive management of this fracture is NOT RELATED-OHOSkeletal tractionImmediate application of a hip spica castSkeletal traction for 2 weeks followed by application of a hip spica castExternal skeletal fixation  <response>: Isolated, closed femoral shaft fractures in children under 10 years of age are best managed by immediate closed reduction and application of a spica cast. 