<qa>  What is the definition of trauma to the head and neck?Exclusion Criteria:a Patients under the age of 16 years, b Patients who do not satisfy the definition of trauma to the head and neck as defined above for example, patients with neither neck pain nor visible injuries above the clavicles will be excluded, c Patients with Glasgow Coma Scale score less than 15, d Patients with unstable vital signs systolic BP 90; respiratory rate less than 10 or more than 24, e Patients whose injury occurred more than 48 hours previously, f Patients with penetrating trauma from stabbing or gunshot wound, g Patients with acute paralysis paraplegia, quadriplegia, h Patients with known vertebral disease ankylosing spondylitis, rheumatoid arthritis, spinal stenosis, or previous cervical spine surgery, or i Patients who return for reassessment of the same injury. 