interosseous branch—is the most commonly injured nerve Fortunately, most nerve injuries are temporary, resolving within to weeks after appropriate fracture reduction and immobilization FIGURE 111.17 Lateral radiograph of the elbow of a 2-year-old girl Both the anterior and posterior fat pads are elevated (small arrows ) The anterior humeral line (solid line ), passes along the anterior edge of the capitellum rather than through its center Mild buckling of the posterior cortex of the distal humerus can be seen (large arrow )