Pain scores on visual analog scale (VAS) of 0_10 before and two hours immediately after radiofrequency lesioning and at 30 , 60, 90 day after procedure. Along with Oxford shoulder score (OSS) is a 12-item patient-reported specifically designed and developed for assessing outcomes of shoulder surgery e.g. for assessing the impact on patients' quality of life of degenerative conditions such as arthritis and rotator cuff problems. . The reduction in medications and the number of complications associated with the technique will be assessed.