All the programs at The Fitness Principle with Mackie Shilstone are proven to be clinically sound. Our Medical Director, Dr. Joseph Tamimie is an experienced Occupational Medicine practitioner. In addition to Dr. Tamimie, Fitness Principle enjoys support from many of East Jefferson General Hospital’s Clinical Departments including Diagnostic Radiology, Orthopedics, Cardiology, Pulmonology, Diabetes Management and more.