Pain in the Deltoids is most often mistaken for bursitis or a rotator cuff injury   Deltoid Anatomy and Trigger Points  - Dr. Jonathan Kuttner         The deltoid, along with supraspinatus and associated rotator cuff muscles, will regularly develop myofascial trigger points as result of reduced core efficiency. Failure to translate forces from the lower body to the shoulder will result in arthrokinematic stress and the formation of active myofascial trigger points. The restoration of core neuromuscular efficiency will provide a foundation for myofascial trigger point therapy, utilizing neuromuscular therapy and medical exercise. Pain is...