Hayes et al 1 observed, among other pathologies, a posterior C3/4 disc protrusion in a post-mortem study of a fatal cervical hyperextension injury in a 60-year-old man with plain radiographic evidence ...
Manipulation described as high-velocity, low-amplitude thrusts that cannot be resisted by the patient; and Mobilization defined as low-velocity passive motion that can be stopped by the patient. [2] ...