Tendonitis: This ailment results in inflammation on the tendons during the rotator cuff—the tissue bands that hook up the muscles into the shoulder bones. Repetitive shoulder actions can irritate or pinch the tendons, leading to tendonitis.  For every day that you have a tension headache, make a Take note of it. https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort-2/