Usually, an "opisthotonic posture" like that is the result of vitamin deficiency, poisoning or damage to the cerebellum. Basically, the cerebellum is a brain region that controls fine muscle movement, ...

Berkeley -- The peculiar pose of many fossilized dinosaurs, with wide-open mouth, head thrown back and recurved tail, likely results from the agonized death throes typical of brain damage and ...

Like investigators out of CSI or Cold Case, paleontologists are finding clues to a dinosaur's demise in its peculiar death pose. They argue that the open-mouthed, head-back posture of many dinosaur ...