“…Forty-five trials included red flag conditions as exclusion criteria such as previous trauma, infection, and malignancy,13–16,25,27–31,33,35–37,41,42,44,47–52,54–57,59,60,62,63,65,67–71,73–75,78,81,83,84,88 27 excluded participants who underwent previous cervical spine surgery,13–19,24,25,27,30–33,39,41,44,46,47,49,50,53,60,62,63,65,67–70,78,88 and three excluded participants who had an indication for surgery (ineffective nonsurgical treatment for three to six months, relapse of severe symptoms that impacted daily life, or progressive and severe neurological deficits) 38,53,79. Twelve trials excluded participants who had bilateral upper extremity symptoms27,28,46,50,58–60,62,63,65,86,88 and 40 trials excluded participants who had signs of cervical myelopathy/stenosis 13–18,20–24,27,28,30–36,38,40,45,46,48,49,54–59,62,63,65,67–70,76,78,81,82,84–86,88. Excluding participants with cervical myelopathy is important due to the severity and distinct patient symptoms that are experienced with this condition in comparison to CR 90…”