Part 1 General introduction: importance of radiographic quality; characteristics of a diagnostic study; radiographic evaluation. Part 2 Radiology of thoracic trauma: radiographic appearance of the normal thorax; radiographic changes from thoracic trauma - disruption of the thoracic wall (bellows apparatus), fluid or air in the pleural space, diaphragmatic rupture, damage to the lung parenchyma, mediastinal injury. Part 3 Radiology of abdominal trauma: radiographic changes from abdominal trauma - peripheral soft-tissue trauma, fractures, peritoneal fluid, retroperitoneal fluid, peritoneal air, peritoneal ingesta or faeces, organ enlargement, pattern combination; use of contrast studies in the traumatized abdomen - urinary tract trauma, gastrointestinal tract trauma. Part 4 Radiology of musculoskeletal trauma: axial skeletal trauma - fracture location, osteomyelitis; appendicular skeletal trauma - fracture classification, fracture location, other traumatically-induced bone disease, orthopaedic fixation devices; joint injury - anatomical location, other traumatically-induced joint disease; pathological fractures; soft soft-tissue trauma.