End-on Versus Parallel Radiofrequency Lesioning for Neurotomy of the Cervical Medial Branch Nerves

Inclusion Criteria: 1. Adult patient of either gender aged 18-85 years 2. Predominant axial (non-radicular) neck pain for at least 3 months 3. 7-day average NRS score for neck pain ≥ 5/10 at baseline evaluation 4. Moderate or greater functional impairment due to pain, defined as NDI Questionnaire raw score of 15 out of 50 (≥30% )e Failure to respond to conservative medical management (pharmacologic, physical therapy) for at least 3 months; f) Positive response to two consecutive diagnostic blocks of the CMBN with a short and long-acting anesthetic Exclusion Criteria: 1. Participants with financial incentives or litigation associated with ongoing pain 2. Inability to complete assessment instruments 3. Chronic widespread pain 4. Prior RFN of the CMBN; 5. Severe mental health issues 6. Pregnancy or other reason that precludes the use of fluoroscopy 7. Untreated coagulopathy 8. Systemic or local infection at the time of screening.