Multifidus Cervicis Plane Block Vs. Sham Block For Posterior Cervical Spine Fusion Surgery

Inclusion Criteria: 1. Patients 40-80 years old, males and females, of any race and any ethnic group. 2. Patients are scheduled for elective primary posterior cervical spine fusion surgery (CSFS) to be performed by one of the spine surgeons in the study. 3. Ability to speak and read English 4. Patients with American Society of Anesthesiology (ASA) physical status score I- IV Exclusion Criteria: 1. Emergency posterior CSFS. 2. Revision surgery or history of previous cervical spine surgery 3. History of allergy to local anesthetics or steroids. 4. Patients who are coagulopathic at the time of surgery 5. Patients with contraindications to MCP blocks, including but not limited to anatomical abnormality or previous surgical intervention that limits or prevents receiving the blocks 6. Infection at the site of the block. 7. Weight \< 40 kg to avoid local anesthetic toxicity. 8. Patients on chronic or continuous opioid use of \> 50 MME (morphine milli-equivalent) per day for at least 30 days within 90 days prior to surgery. 9. Patients with a history of chronic inflammatory conditions such as multiple sclerosis 10. Refusal to participate or lack of providing the study consent