Students from a college in Ohio make a trip out to the beach. One of the boys dives into shallow ocean water and hurts his neck. He complains of pain and tingling in extremities, but gets up and walks over to lay on his towel.
EMT walks by and overhears them talking about the boy's neck injury. He immediately stabilizes the neck and asks about the injury, determining that it is a significant MOI (Mechanism of Injury). EMT persuades boy to go to hospital. X-ray results find that he has a C2 vertebrate fracture. If he had gone home and gotten into car or moved neck, he would have severed his spinal cord and died.
Determining significant MOI was vital, even though kid has no significant complaint. This saved the boy's life.