A 23-year-old Thai man was in a motorcycle accident where he crashed into the back of a pickup truck. He has pain in his left arm and abrasions on his left knee. On examination, he has a deformity and laceration on his left arm with limited range of motion. Imaging shows an open fracture of the left humeral shaft. The diagnosis is an open fracture of the left humeral shaft, which will be treated with debridement and plating and screws in the operating room.