Graphically depicts a closed head injury with a side-to-side whiplash motion. Begins with the head in normal position. Labeled structures include the skull, dura, brain and fronto-temporal region. Injury stages: 1. Head and neck move violently to the person's right, with the left fronto-temporal region impacting the inner surface of the skull; 2. Head and neck move left, with the right fronto-temporal region impacting the skull; and 3. Brain damage to the fronto-temporal regions.