J & J's Physical Therapy Inc J & J's Physical Therapy, Inc., established in 1987, is a privately owned Southern Maryland physical therapy practice located in Dunkirk, MD, in northern Calvert County. What J & J's offers: - Small and personable Private rooms with one on one individualized care. - Quality exercise equipment for all kinds of patients of all ages. - Most insurance accepted including Worker's Compensation John Saul, PT, uses a variety of manual techniques including Myofascial Release, CranioSacral Therapy, and spinal manipulation to treat chronic pain, orthopedic conditions, general deconditioning, headaches, arthritis, and core/postural dysfunctions. J & J's also utilizes treatments such as ultrasound, electrical stimulation, micro-current, and hot and cold therapies.