Effect of Cupping Therapy on Nitric Oxide Level in Patients With Cervical Spondylosis

"All the patients will be asked to be in a sitting position with both feet flat on the floor the cupping group will receive the cupping bloodletting at three acupuncture points (SI15, GB21, LI15) the medium size glass with a diameter of 4cm and a volume of 260ml. Each wet cupping treatment procedure will last about 20 min and will be conducted in five steps.~1. -Primary sucking~2. -Scarification 3- Bloodletting 4-Removal~5 -Dressing"