Your shoulder symptoms could be from the neck or the shoulder. A thorough physical examination can many times differentiate between the two. If not, a selective nerve root block at C5-6 and C6-7 with temporary relief of your symptoms would diagnose neck origin where a shoulder diagnostic injection with relief implicates the shoulder as the source.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.