B) Acquired (painful)
trauma
Fracture/dislocation
Muscle spasm ("wry neck")
CNS (spinal haematoma)
Infection
Head and neck (URTI, otitis media, mastoiditis,
cervical adenitis, retropharyngeal abscess)
Spine (osteomyelitis, discitis, epidural abscess)
CNS (meningitis)
7