Upper Cervical Flexion Test

Upper cervical instability has a prevalence rate of 0.6% according to Beck et al. (2004) and is associated with inflammatory conditions, such as rheumatoid arthritis, ankylosing spondylitis, as well as trauma and congenital deviations, like Down syndrome or Marfan syndrome. To safely apply manual therapy techniques to the cervical region, it is necessary to screen for potential upper cervical…