Figure 2a. Casts and splint. (a) Radiograph shows a plaster of paris cast that overlaps the wrist; no fracture is visible. (b) Radiograph of another patient shows a fiberglass cast that overlaps the wrist; a distal radial fracture is seen through the cast. (c) Radiograph of a different patient shows a plastic splint that overlaps the volar aspect of the wrist; no fracture is visible.