The cervical nerve roots C5, C6, and C7 are most commonly affected and involvement results in characteristic signs and symptoms in the upper extremities. The prevalence of nontraumatic neck pain ...
[4] Protrusions at C2-3 and C7-T1 can occur but are rare ... Degenerative conditions of the disc without protrusion causing neck pain may also cause radicular pain, but these are usually slow ...